Xдля устаревших причин). com そこでpythonスクリプトに import numpy. Simply changing the Python search path may have some unexpected results, since you're using modules that are built for a different version of Python. 6, 开发一个简单的页面 2. Esta última carpeta que contiene el sitio-paquetes de carpeta, que contiene el matraz de carpeta. I have flask installed (pip install flask). Process id dismiss when ssh connect again. python ImportError: No module named numpy sudo pip install numpy sudo pip3 install numpy sudo apt-get install python3-pip Python Tutorials : https://www. Using from app import db works when I run Flask, but running the module tells me it can't find app. pip: pip install sqlalchemy pip install sqlalchemy-migrate pip install flask-migrate pip使用代理 魅蓝note6官方线刷包 >>. To install flask, simply type in pip install flask in your computer terminal/command line. 本文章向大家介绍部署flas到服务器:No module named flask,主要包括部署flas到服务器:No module named flask使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。. Why is it not able to find flask? I initially started with the official Flask quickstart guide and was able to get the webserver to run, but with this virtual env install it is not working. Python flask-cors ImportError: No module named 'flask-cors If you import sys and print(sys. 7的环境变量全部变成3. 参照 Flask Web Development. 2, qui je l'espère, de résoudre la question que je suis en cours d'exécution ballon sur 2. py by default, but allows you. Asking for help, clarification, or responding to other answers. mysql Someone told me don't develop python in windows, it's lot of headache, so I started the same project in Ubuntu, but I got the same problem :. This part of the documentation, which is mostly prose, begins with some background information about Flask-WTF, then focuses on step-by-step instructions for getting the most out of Flask-WTF. I tried in with Flask==0. Это то , что вызывает ваше from flask. script import Manager. py,将from flask. Scheduling a Python task on PythonAnywhere; Deploy a Flask web app on PythonAnywhere 23 thoughts on “ Building a website with Python Flask No module named. The command sudo python -m pip install works but sudo pip install doesn't work shows that python recognizes the pip module but the operating system doesn't recognize pip. More info here. Active 1 year, 6 months ago. 标签:courier style color 解决方法 rip ger pan named -s. ImportError: No module named flask on google app engine Date : 2013-01-11 06:50:18 , By : lv10 I'm following this tutorial and I'm trying to develop a basic Flask app to run on the Google App Engine. Set --no-debugger to avoid any potential conflicts with the Werkzueg debugger. Keyword Research: People who searched modulenotfounderror no module named flask also searched. Python (Windows) - ImportError: No module named win32service 12/16/13, 10:18 PM 26,058 views Im try to debug OpenERP 7 in windows , python 2. wsgi import get_wsgi_application applicatio. Azure App Service - API Apps https://social. If you see this error:. wsgi October 23, 2015 Rodnee Leave a comment Go to comments. Now set some breakpoints and start debugging! Solution 2:. también checkea este post en github. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Are you sure you're running the right version of pip? Different versions of Python have different sets of installed modules, and pip on its own is an alias for pip2. Flask Hosting. 7 $ sudo easy_install sqlalchemy Searching for sqlalchemy Best match: SQLAlchemy 0. They are extracted from open source Python projects. py file to check for runtime error, I'm hitting below men. edu, or did it come from somewhere else? 2. 5 Beta) after upgrading to Python Version 3. If you want to use Flask with Python 3 have a look at the Python 3 Support page. Flask 是一个 python web micro framework. ModuleNotFoundError: No module named 'flask'怎么办?网上搜不到原因 [问题点数:50分,结帖人qsbfdvgasafa]. x86_64 at the very beginning, i just installed MySQL-python, but the issue still existed. More info here. py, I have: from django. 0 and fName, lName, ID, converted_ID = "" In python, if the left hand side of the assignment operator has multiple items to be allocated, python would try to iterate the right hand side that many times and. “ImportError: No module named flask” - Trouble with nginx + uWSGI + Flask in a virtualenv setup. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 04下解决No module named MySQLdb错误 - 太午的作业本 - 博客频道 - CSDN. We also share information about your use of our site with our social media and analytics partners. py file located in the subdirectory processors. Ask Question Asked 8 years, 1 month ago. from flask_migrate import Migrate ImportError: No module named flask_migrate pip: pip install sqlalchemy pip install sqlalchemy-migrate pip install flask-migrate. py", which contiains from flask_wtf import FlaskForm-> and when it is started from terminal as. I am seeing `"ImportError: No module named site" when deploying a Python app that worked previously. " > > and a configuration window keep asking me the python path and the > application path (and I don't know what to specify for it). ubuntu上跑python连接pg,报错 ImportError: No module named psycopg2 [email protected]:~# python /home/zxw/PGWri. mysql - Stack Overflow. ModuleNotFoundError: No module named 'gensim' Hi, I am working on a project which involves machine learning and natural language processing. The Flask application runs fine without DEBUG enabled. GitHub Gist: instantly share code, notes, and snippets. I'm trying to deploy a Flask application to heroku and I'm suspicious that perhaps the Procfile is to blame. We also share information about your use of our site with our social media and analytics partners. No module named flask. Python flask-cors ImportError: No module named 'flask-cors If you import sys and print(sys. spacy language module installation problem Hi All I've installed spacy libraries and added the English nlp model without any problems but now when I try to also download the Spanish model i'm getting the following problem :. python ImportError: No module named numpy sudo pip install numpy sudo pip3 install numpy sudo apt-get install python3-pip Python Tutorials : https://www. 0016792: ImportError: No module named flask_babelex: Description in from flask_security import Security, SQLAlchemyUserDatastore, current_user. mongoengine import MongoEngineзаявление на провал. 8安装flask出现错误“ModuleNotFoundError: No module named '_ctypes'”,主要包括python3. All is good !. 4,在运行standalone. py, and there's a directory called app. Não consigo executar esse código no Ubuntu 16. /start_ openplc. Hi All, i'm very new to flask and couldn't find an existing answer to my problem. 【整理】嵌入式Linux部署Python的Flask. Quote:when release update version to PYPI?. return __import__('MySQLdb') ImportError: No module named MySQLdb and my resolution : pip install MySQL-python yum install mysql-devel. " and a configuration window keep asking me the python path and the application path (and I don't know what to specify for it). More info here. restful my pip include Flask with the latest version. Flask-Migrate¶. Fix No module named shell; Fix No module named MySQLdb; Fix No module named virtualenv Fix No module named Crypto. ImportError: No module named sqlalchemy $ python -c "from flaskext. 方法一安装旧版本 pyqt5,原因是: pyinstaller 内置的 sip 版本与最新的 pyqt5 不. Hope this helps. sqlalchemy import SQLAlchemy ModuleNotFoundError: No module named 'flask. contrib' 2019-10-03 源自:TensorFlow与Flask结合打造手写 3-1 560 浏览 2 回答. sqlalchemy. py by default, but allows you. Binding flask App to gunicorn. I’ve spent a long time over the last few days struggling with a problem with a Flask webapp that I’ve been developing. This may just be a specific case of the general question above. 0 and fName, lName, ID, converted_ID = "" In python, if the left hand side of the assignment operator has multiple items to be allocated, python would try to iterate the right hand side that many times and. In Flask, handlers for the application routes are written as Python functions, called view functions. _dtype_ctypes' というエラーに遭遇 ググったところ、ヒットしたのが以下の一件のみ www. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I'm trying to deploy a Flask application to heroku and I'm suspicious that perhaps the Procfile is to blame. 7 $ sudo easy_install sqlalchemy Searching for sqlalchemy Best match: SQLAlchemy 0. Xдля устаревших причин). path) , this will show you where your available packages are installed. I have install all the packages that requires for the application. I checked pip freeze and my requirements. py", which contiains from flask_wtf import FlaskForm-> and when it is started from terminal as. hi guys in this video i will show you how to solve this issue ImportError: No module named flask share support subscribe subscribe https://www. Python (Windows) - ImportError: No module named win32service 12/16/13, 10:18 PM 26,058 views Im try to debug OpenERP 7 in windows , python 2. exe: No module named SimpleHTTPServer Here is easy fix, in Windows has been this module renamed in Python and you need to use this command line instead: python -m http. Instead you should usefrom flask_script import Manager module 'jieba' has no attribute 'analyse'. Hi All, python flask app with HTTPS in. Otherwise, sqlalchemy will be installed in your root directory and not in the VENV. py的时候,遇上这样的错误: no module named basehttpserver 自己也查看了当前目录下的文件,确实没有basehttpServer。. uwsgi + python flask 诡异的No Module named 'flask':直接在shell中进入python,然后import flask是没有问题的。我的python已经通过virtualenv确定了版本是2. ch40s opened this issue Apr 20, 2015 · 1 comment Assignees. sqlalchemy import SQLAlchemy ImportError: No module named flask. _dtype_ctypes' というエラーに遭遇 ググったところ、ヒットしたのが以下の一件のみ www. Python 3 Support in Flask Flask, its dependencies, and most Flask extensions all support Python 3. ModuleNotFoundError: No module named 'flask' #IIS #Windows October 11, 2019 Infinite Loop Development Ltd Leave a comment Go to comments If you're trying to run a Flask based Python Web app in IIS, and you get the following error,. Provide details and share your research! But avoid …. ImportError: No module named '_tkinter' Question by aryan55 | Aug 19, 2016 at 02:08 AM python ibmcloud flask matplotlib. 在pip install flask-script 后引用flask-script模块. No module named 'urlparse' >>更多相关文章 意见反馈 最近搜索 最新文章 沪ICP备13005482号-6 小白教程 程序问答 程序問答 プログラムの質問と回答 프로그램 질문 및 답변 поле вопросов и ответов Frage - und - antwort - Park Preguntas y respuestas कार्यक्रम. I'm not sure if I wrote it correctly, and liike many other stackoverflow users I had a h. View functions are mapped to one or more route URLs so that Flask knows what logic to execute when a client requests a given URL. x86_64 at the very beginning, i just installed MySQL-python, but the issue still existed. unbuntu系统装好了python3. Python flask-cors ImportError: No module named 'flask-cors If you import sys and print(sys. But if this is not working in your case, the program may be using a Venv, or Virtual Environment. No module named flask” when installing MITMF. Esta última carpeta que contiene el sitio-paquetes de carpeta, que contiene el matraz de carpeta. 1' , port = 8000 , debug = True ) That won't work on PythonAnywhere -- the only way your app will appear on the public internet is if it's configured via the web tab, with a wsgi file. path) , this will show you where your available packages are installed. Somente este erro: ImportError: No module named flask_login. python ImportError: No module named 'sqlalchemy' 1) For Python 2. Ask Question Asked 8 years, 1 month ago. This forum uses Lukasz Tkacz PHP Developer addons. py develop. Flask-PyMongo depends on recent versions of Flask and PyMongo, where “recent” is defined to mean “was released in the last 3 years”. python ImportError: No module named 'sqlalchemy' 1) For Python 2. 6, you'd run this in a Bash console (not in a Python one): pip3. ext’1原因 ,是因为flask的包更新了,其实这时候解决这个问题很简单,不过不知道怎么改,那就很头疼了;图片: 解决方案 博文 来自: qq_42384228的博客. cache import make_template_fragment_key改为from flask_cache import make_template_fragment_key; flask-cache报错No module named 'flask. We use cookies for various purposes including analytics. py", line 13 in module import flask ImportError: No module named flask So since I am a noob with this, what am I doing wrong? and what am I missing to resolve this issue. text No module named. I found like 2 tutorials that just says the best way is just to clone your app from github and run it. 7 sudo apt-get install python-pip python-dev *Install sudo pip install sqlalchemy OR sudo apt-get install python-sqlalchemy. Not able to run flask app. sqlalchemy. Hope this helps. Now set some breakpoints and start debugging! Solution 2:. On the other hand, marshmallow wasn't previously installed. dans un second temps quand je fais la mise en forme des dossier du premier projet j'obtient l'erreur:. going in full dynamic mode *** and I don't understand why. Hi, We added Cython to all our environmnets, you should no longer have this issue. I have just installed the. In particular, this tutorial will assume that you're starting with the code that you had at the end of the last one: a simple. ldexterldesign opened this issue Apr 12, 2016 · 14 comments Comments. A tu ejemplo le hace falta la linea app = Flask(__name__), tenlo en cuenta. pyinstallerでpandasやnumpyをimportするさいに ModuleNotFoundError: No module named 'numpy. If not, the best place to get support is in our Forums. Windows 10, Python 3, Flask Should you host flask web app on PythonAnywhere: An independent review. instead of: python myscript. pip install Flask-WTF ubuntu安装mongodb No module named migrate. converters['regex'] = RegexConverter # 创建一个manager实例,把app. 7 $ sudo easy_install sqlalchemy Searching. 找到flask-cache包中的jinja2ext. Hope this helps. I've been struggling with this issue for the past few days, I just tried to run flask with debug mode off and the exception no longer occurs. ext import Xэто удобство в термосе , который будет искать пакеты по имени flask_X(откатиться к flaskext. If you have in-depth questions about Python programming (as opposed to using PythonAnywhere) then you can also buy 1:1 live Python help at Codementor. Active 1 year, 6 months ago. The problem in my case was that Flask was installed globally , so flask run called the global package that didn't recognise the local package (Probably because the global call to python called python2, and my env was set to python3). python - ImportError: No Module Named 'pysqlite2' - Stack Overflow. ImportError: No module named flask. Não consigo executar esse código no Ubuntu 16. babel It has been closed by Orestis Ioannou. 1' , port = 8000 , debug = True ) That won't work on PythonAnywhere -- the only way your app will appear on the public internet is if it's configured via the web tab, with a wsgi file. utils import secure_filename from flask_script import Manager app = Flask(__name__) # Werkzeug路由系统:flask. I am running eb create from the virtual env and my app works when i tried it locally. In particular, this tutorial will assume that you're starting with the code that you had at the end of the last one: a simple. For example, when run. I see that your website is configured to use Python 3. 2018-09-25 运维. It starts with a basic example to show how unit tests execute and then moves on to a typical file/directory structure for a python project. I've got virtual environment, which is activated and running, and within it I've installed flask-wtf module, as: pip install flask-wtf Then, there is script called "test. sqlalchemy import SQLAlchemy" Traceback (most recent call last): File "", line 1, in ImportError: No module named sqlalchemy $ python -V Python 2. 问题:uwsgi + python flask 诡异的No Module named 'flask' 描述: 直接在shell中进入python,然后import flask是没有问题的。 我的python已经通过virtualenv确定了版本是2. path) , this will show you where your available packages are installed. 16 Abr 2019 from flask_mysqldb import MySQL ImportError: No module named He intentado con esto pip install flask-MySQLdb pero continua sin es. py egg_info for package. 5更改了引用方式为flask_script,其实不是,如果是这样的情况应该会提示过期:. I have flask installed (pip install flask). 4,在运行standalone. _dtype_ctypes を追加したところ成功. sqlalchemy import SQLAlchemy" Traceback (most recent call last): File "", line 1, in ImportError: No module named sqlalchemy $ python -V Python 2. I found like 2 tutorials that just says the best way is just to clone your app from github and run it. On the other hand, marshmallow wasn't previously installed. No module named 'urlparse' >>更多相关文章 意见反馈 最近搜索 最新文章 小白教程 程序问答 程序問答 プログラムの質問と回答 프로그램 질문 및 답변 поле вопросов и ответов Frage - und - antwort - Park Preguntas y respuestas कार्यक्रम प्रश्न और. I am working with Linux MINT 19 XFCE as a VM within MS HyperV 2016. 7 $ sudo easy_install sqlalchemy Searching for sqlalchemy Best match: SQLAlchemy 0. I am seeing `"ImportError: No module named site" when deploying a Python app that worked previously. 之前一直折腾 django,得益于django 的 ORM 模式很好用,上手简单,使用方便. 在使用pyCharm中创建flask的项目时,由于要使用表单文件而引入了flask_wtf的库,IDE显示 unresolved reference "flask_wtf",运行时又显示 No module named flask_wtf. pip: pip install sqlalchemy pip install sqlalchemy-migrate pip install flask-migrate pip使用代理 魅蓝note6官方线刷包 >>. exceptions no module flask at 2016-04-20 11:24:19 from Neel Patel Browse pgadmin-support by date From Date. from flask. 0016792: ImportError: No module named flask_babelex: Description in from flask_security import Security, SQLAlchemyUserDatastore, current_user. pickle: Convert Python objects to streams of bytes and back. Essentially I am trying to configure a flask website which would support the follow flow : 1) load of the default home website with menu in English. Flask Hosting. This means your virtual environment was not activated. ImportError: No module named werkzeug. I am new to the Python application development in. exe: No module named SimpleHTTPServer Here is easy fix, in Windows has been this module renamed in Python and you need to use this command line instead: python -m http. PS I searched the forum to. You can use a virtualenv for your IPython notebook. Si no está no se instalo por algo, si no dio errores posiblemente tengas varias versiones de Python instalados en tu sistema operativo y se instaló en otra. 新手,按照教程一步一步安装了FLASK,能找到flask. Questions: I’m unable to find a module in python ,though easy_install says its already installed. Команда, чтобы проверить, какие пакеты вы установили это: $ pip freeze Если вы не видите запись MarkupSafeесть , то вы можете установить его с помощью :. Solution - ModuleNotFoundError: No module named 'psycopg2'. Creo que yo no uso de un entorno virtual para instalar Mongodb. It depends on Flask and python-openid 2. py,将from flask. I’ve spent a long time over the last few days struggling with a problem with a Flask webapp that I’ve been developing. com / flask - restful / flask - restful. I've found already similar questions here, but could not find specific solution. sh I get the following: Traceback (most recent call last): File 'webserver. ImportError: No module named Image ImportError: No module named PIL from PIL import Image Import Image How to fix python ImportError: No module named PIL Pyt. x86_64 at the very beginning, i just installed MySQL-python, but the issue still existed. Viewed 16k times 2. py, I have: from django. but not through wsgi. ext' そこで from flask_sqlalchemy import SQLAlchemy こうするとうまくいった。. extension import xxxis the old way to use the flask extension. Это то , что вызывает ваше from flask. It looks like the urllib library is imported successfully when I try: python3 myscript. Is flask installed in your virtual environment ? to check activate your virtual environment and run pip freeze does it show flask installed?. The issue is in the line - grade_1, grade_2, grade_3, average = 0. Import settings from config. Wonderful tutorial. ModuleNotFoundError: No module named 'gensim' Hi, I am working on a project which involves machine learning and natural language processing. A tiny Flask application, used in my forty hour Python course as an example. 6版本重新启动项目即可. 4,所以应当不是virtualenv引起的。. Flask-SQLAlchemy — Flask-SQLAlchemy Documentation (2. I found like 2 tutorials that just says the best way is just to clone your app from github and run it. On the other hand, marshmallow wasn't previously installed. socketio #17. Install 'flask_sqlalchemy' with activated VENV and with the internal python version of the virtual environment. I checked pip freeze and my requirements. mysql - Stack Overflow. 6, 开发一个简单的页面 2. Armin Ronacher, who leads an international group of Python enthusiasts named Pocco, develops it. 2, qui je l'espère, de résoudre la question que je suis en cours d'exécution ballon sur 2. So it's dead project,one issue on GitHub no answer. flask报错No module named 'flask. No module named MySq No module named yum No module named mime. 0016792: ImportError: No module named flask_babelex: Description in from flask_security import Security, SQLAlchemyUserDatastore, current_user. gunicorn flask python flask项目本身用开发服务器已经可以运行,但是当用gunicorn下列命令. Open the terminal and type: sudo apt-get install python-pip. This may just be a specific case of the general question above. 6, you'd run this in a Bash console (not in a Python one): pip3. No module named flask. py,将from flask. moment 执行 pip install Flask-Script 和 pip install Flask-Moment 解决. 8安装flask出现错误“ModuleNotFoundError: No module named '_ctypes'”使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。. python nginx flask uwsgi | this question edited May 17 '13 at 11:05 Ewan 7,167 1 26 41 asked May 17 '13 at 8:51 Yuqi 33 1 4 Why are you setting PYTHONHOME at all? It also should be a single directory and not expressed as a path like you are doing. In Flask, handlers for the application routes are written as Python functions, called view functions. Ask Question Asked 3 years, 2 months ago. script 解决方法. exe: No module named SimpleHTTPServer Here is easy fix, in Windows has been this module renamed in Python and you need to use this command line instead: python -m http. I've been reading around this topic towards understanding whether there's some or no chance of downtime during an upcoming domain transfer for 15 live and very critical domains. You received this message because you are subscribed to the Google Groups "Django users" group. sqlalchemy import SQLAlchemy ModuleNotFoundError: No module named 'flask. R Interview Bubble. "Initializing" variables in python? python,python-3. pythonanywhere. Тур Начните с этой страницы, чтобы быстро ознакомиться с сайтом. I have just installed the. Hello, I know I'm missing something stupid I just created an account on pythonanywhere. Wonderful tutorial. The command sudo python -m pip install works but sudo pip install doesn't work shows that python recognizes the pip module but the operating system doesn't recognize pip. Home > django, python > Import Error: No module named django. ext;解决方案的更多相关文章. Ask Question Asked 8 years, 1 month ago. flask连接mysql数据库提示ModuleNotFoundError: No module named 'MySQLdb' CoderZb 关注 赞赏支持 输入 python manage. So when you have the code. No module named MySQLdb when trying to load the OpenStack dashboard – Ask Ubuntu ImportError: No module named MySQLdb – 雾中世界 – 博客园 Ubuntu14. moment 执行 pip install Flask-Script 和 pip install Flask-Moment 解决. Since I don't need a full email server like Lamson, this seems to be an unnecessary restriction. ImportError: No module named sqlalchemy $ python -c "from flaskext. from flask. Stack Exchange Network. Do not use it in a production deployment. Xдля устаревших причин). I'm trying to import a module (venues) from an IPython shell. I am seeing `"ImportError: No module named site" when deploying a Python app that worked previously. sh I get the following: Traceback (most recent call last): File 'webserver. 8, mais apparemment, c'est encore un problème que je suis "no module named analyser". pip: pip install sqlalchemy pip install sqlalchemy-migrate pip install flask-migrate pip使用代理 魅蓝note6官方线刷包 >>. from flask _ script import Manager. If you want to use Flask with Python 3 have a look at the Python 3 Support page. python - No module named _sqlite3 - Stack Overflow. extension import xxxis the old way to use the flask extension. Fix No module named shell; Fix No module named ConfigParser; Fix No module named virtualenv Fix No module named Crypto. Asking for help, clarification, or responding to other answers. Flask Tutorial: Hello World. Instead you should usefrom flask_script import Manager module 'jieba' has no attribute 'analyse'. We monitor them to make sure that every question gets answered, and you get the added benefit that other PythonAnywhere customers can help you out too. when I attempt to run the. Forums : PythonAnywhere We use cookies to provide social media features and to analyse our traffic. 两次运行 python hello. 2018-09-25 运维. Other no module named errors & fix. This article will help you, how to fix the ModuleNotFoundError: No module named 'psycopg2', No module named 'flask_sqlalchemy' or ModuleNotFoundError: No module named 'MODULE_NAME' in python. You cannot import numpy from its source directory because it has extension modules written in C and these have to be built before the package is complete. It's difficult to answer without the details of your code structure. Copy link Quote reply uocxp commented Jun 3, 2015. Just as complementary: flask_wtf seemed it was installed already (before I try to install it), but it is not in the site-packages folder. Any idea how to resolve this isseue? $ python -c "from flaskext. Java Basics Interview Questions; Java OOPs Interview Questions. 5 Beta) after upgrading to Python Version 3. I have flask installed (pip install flask). 问题 在Python中编写以下语句 from flask import Flask 会出现如下的错误 No module named flask 解决方法 # pip install flask 问题原因 当前python库中没有安装flask,安装一下就可以解决此问题。. pickle: Convert Python objects to streams of bytes and back. tzlocal module and PythonAnywhere? No module named 'tzlocal'" 1 comment. socketio #17. Welcome to the second part in our tutorial for getting started with Flask development on PythonAnywhere! This is a continuation of our previous tutorial, so if you haven't been through it, you should do that first. Ardalan Evnoddin-Hamidi, 48, Niloofar Razzaghi, 45, and, Hamyar Ebnoddin Hamidi, 15, of Coquitlam were among the passengers killed when Ukrainian airliner crashed shortly after take-off from Tehran on Wednesday. Resolution. py and when I run created. If you see this error:. Flask is based on Werkzeug WSGI toolkit and Jinja2 template engine.