runtime error

Traceback (most recent call last): File "/usr/local/lib/python3.8/runpy.py", line 185, in _run_module_as_main mod_name, mod_spec, code = _get_module_details(mod_name, _Error) File "/usr/local/lib/python3.8/runpy.py", line 144, in _get_module_details return _get_module_details(pkg_main_name, error) File "/usr/local/lib/python3.8/runpy.py", line 111, in _get_module_details __import__(pkg_name) File "/usr/local/lib/python3.8/site-packages/flask/__init__.py", line 7, in <module> from .app import Flask as Flask File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 27, in <module> from . import cli File "/usr/local/lib/python3.8/site-packages/flask/cli.py", line 17, in <module> from .helpers import get_debug_flag File "/usr/local/lib/python3.8/site-packages/flask/helpers.py", line 14, in <module> from werkzeug.urls import url_quote ImportError: cannot import name 'url_quote' from 'werkzeug.urls' (/usr/local/lib/python3.8/site-packages/werkzeug/urls.py)

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