Django出现UnicodeDecodeError: 'utf-8' codec can't decode byte 0xda in position 134: invalid

完整报错:

(python3.7) appleyuchi@ubuntu19:fenye$ python manage.py runserver 10071
Traceback (most recent call last):File "manage.py", line 15, in <module>execute_from_command_line(sys.argv)File "/home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_lineutility.execute()File "/home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/django/core/management/__init__.py", line 345, in executesettings.INSTALLED_APPSFile "/home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/django/conf/__init__.py", line 76, in __getattr__self._setup(name)File "/home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/django/conf/__init__.py", line 63, in _setupself._wrapped = Settings(settings_module)File "/home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/django/conf/__init__.py", line 142, in __init__mod = importlib.import_module(self.SETTINGS_MODULE)File "/home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/importlib/__init__.py", line 127, in import_modulereturn _bootstrap._gcd_import(name[level:], package, level)File "<frozen importlib._bootstrap>", line 1006, in _gcd_importFile "<frozen importlib._bootstrap>", line 983, in _find_and_loadFile "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlockedFile "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removedFile "<frozen importlib._bootstrap>", line 1006, in _gcd_importFile "<frozen importlib._bootstrap>", line 983, in _find_and_loadFile "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlockedFile "<frozen importlib._bootstrap>", line 677, in _load_unlockedFile "<frozen importlib._bootstrap_external>", line 724, in exec_moduleFile "<frozen importlib._bootstrap_external>", line 857, in get_codeFile "<frozen importlib._bootstrap_external>", line 525, in _compile_bytecode
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xda in position 134: invalid continuation byte

这里的原因是sed修改了*.pyc文件，所以Django会从*.pyc启动．
但是因为编译器只会提示.py文件的报错，而不会提示*.pyc的报错．
由此导致你会发现报错位置在开源包的地方，而不是自己的工程文件所在处解决方案:
$ find . -name "*.pyc"  | xargs rm -f
$ python manage.py runserver 10071
Watching for file changes with StatReloader
Performing system checks...System check identified no issues (0 silenced).You have 18 unapplied migration(s). Your project may not work properly until you apply the migrations for app(s): admin, auth, contenttypes, front, sessions.
Run 'python manage.py migrate' to apply them.February 06, 2020 - 11:55:13
Django version 3.0.2, using settings 'fenye.settings'
Starting development server at http://127.0.0.1:10071/
Quit the server with CONTROL-C.

OK,解决

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