ValueError: bad marshal data (unknown type code)

报错：ValueError: bad marshal data (unknown type code) Traceback (most recent call last): File "F:/project-python-dev/TimeAccount/app.py", line 10, in <module> from data import SourceData File "<frozen importlib._bootstrap>", line 991, in _find_and_load File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 671, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 779, in exec_module File "<frozen importlib._bootstrap_external>", line 911, in get_code File "<frozen importlib._bootstrap_external>", line 580, in _compile_bytecode ValueError: bad marshal data (unknown type code)   删除所有.pyc文件，重新运行即可解决