2023-07-12 06:14:55,516: If you're seeing an import error and don't know why, 2023-07-12 06:14:55,516: we have a dedicated help page to help you debug: 2023-07-12 06:14:55,516: https://help.pythonanywhere.com/pages/DebuggingImportError/ 2023-07-12 06:14:55,517: *************************************************** 2023-07-12 06:14:56,572: Error running WSGI application 2023-07-12 06:14:56,572: ImportError: cannot import name 'Markup' from 'jinja2' (/home/ChengYg/.virtualenvs/myvirtualenv/lib/python3.10/site-packages/jinja2/__init__.py) 2023-07-12 06:14:56,572: File "/var/www/chengyg_pythonanywhere_com_wsgi.py", line 16, in <module> 2023-07-12 06:14:56,572: from flask_app import app as application # noqa 2023-07-12 06:14:56,573: 2023-07-12 06:14:56,573: File "/home/ChengYg/big_screen-master/flask_app.py", line 8, in <module> 2023-07-12 06:14:56,573: from flask import Flask, render_template 2023-07-12 06:14:56,573: 2023-07-12 06:14:56,573: File "/home/ChengYg/.virtualenvs/myvirtualenv/lib/python3.10/site-packages/flask/__init__.py", line 19, in <module> 2023-07-12 06:14:56,573: from jinja2 import Markup, escape 2023-07-12 06:14:56,573: *************************************************** 2023-07-12 06:14:56,573: If you're seeing an import error and don't know why, 2023-07-12 06:14:56,573: we have a dedicated help page to help you debug: 2023-07-12 06:14:56,574: https://help.pythonanywhere.com/pages/DebuggingImportError/ 2023-07-12 06:14:56,574: ***************************************************
时间: 2023-07-23 07:04:28 浏览: 166
根据错误日志,出现了一个导入错误:
```
ImportError: cannot import name 'Markup' from 'jinja2' (/home/ChengYg/.virtualenvs/myvirtualenv/lib/python3.10/site-packages/jinja2/__init__.py)
```
这个错误表明在你的代码中,尝试从`jinja2`模块导入`Markup`时出现了问题。
根据日志中提供的帮助链接,你可以查看PythonAnywhere的调试页面(https://help.pythonanywhere.com/pages/DebuggingImportError/)来获取更多关于导入错误的调试信息。
在查看调试页面之前,你可以尝试以下步骤来解决问题:
1. 确保你的虚拟环境中已经安装了`jinja2`模块。可以通过在虚拟环境激活状态下运行`pip list`命令来检查已安装的包。
2. 检查你的代码中使用的`jinja2`版本是否与PythonAnywhere上的版本兼容。在PythonAnywhere上,默认安装的Python版本可能与你本地开发环境中的版本不同。你可以在虚拟环境激活状态下运行`pip show jinja2`命令来查看已安装的`jinja2`模块的版本。
3. 如果你在本地开发环境中使用了虚拟环境,请确保你已经将虚拟环境完整地复制到PythonAnywhere上,并且其中包含了所有必要的依赖项。
如果以上步骤仍然不能解决问题,可以参考PythonAnywhere的调试页面来进行更详细的调试和排查。
阅读全文