# 出錯信息 ``` 我使用flask時，運行後出現下麵的錯誤：Traceback (most recent call last): File "D:/github/lind-python/test-web.py", line 1, in from flask import Flask File " ...
出錯信息
我使用flask時，運行後出現下麵的錯誤：Traceback (most recent call last):
File "D:/github/lind-python/test-web.py", line 1, in <module>
from flask import Flask
File "C:\Users\User\AppData\Local\Programs\Python\Python36\lib\site-packages\flask\__init__.py", line 14, in <module>
from jinja2 import escape
File "C:\Users\User\AppData\Local\Programs\Python\Python36\lib\site-packages\jinja2\__init__.py", line 9, in <module>
from .bccache import BytecodeCache
File "C:\Users\User\AppData\Local\Programs\Python\Python36\lib\site-packages\jinja2\bccache.py", line 24, in <module>
from .utils import open_if_exists
File "C:\Users\User\AppData\Local\Programs\Python\Python36\lib\site-packages\jinja2\utils.py", line 41, in <module>
_slash_escape = "\\/" not in json.dumps("/")
AttributeError: module 'json' has no attribute 'dumps'
Process finished with exit code 1
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