buenas noches, estimado profesor consulta : cuando ejecute el comando : python manage.py migrate

me salen todos estos erroes porque sera ???

Traceback (most recent call last): File "D:\EDTEAM-DJANGO\edteam\manage.py", line 22, in <module> main() File "D:\EDTEAM-DJANGO\edteam\manage.py", line 18, in main execute_from_command_line(sys.argv) File "D:\EDTEAM-DJANGO\venv\lib\site-packages\django\core\management_init_.py", line 446, in execute_from_command_line utility.execute() File "D:\EDTEAM-DJANGO\venv\lib\site-packages\django\core\management_init_.py", line 420, in execute django.setup() File "D:\EDTEAM-DJANGO\venv\lib\site-packages\django_init_.py", line 24, in setup apps.populate(settings.INSTALLED_APPS) File "D:\EDTEAM-DJANGO\venv\lib\site-packages\django\apps\registry.py", line 116, in populate app_config.import_models() File "D:\EDTEAM-DJANGO\venv\lib\site-packages\django\apps\config.py", line 269, in import_models self.models_module = import_module(models_module_name) File "C:\Python\lib\importlib_init_.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1030, in _gcd_import File "<frozen importlib._bootstrap>", line 1007, in _find_and_load File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 680, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 786, in exec_module File "<frozen importlib._bootstrap_external>", line 923, in get_code File "<frozen importlib._bootstrap_external>", line 853, in source_to_code File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed ValueError: source code string cannot contain null bytes