def get_py_file_if_possible(pyc_name):
    """Try to retrieve a X.py file for a given X.py[c] file."""
    if pyc_name.endswith((".py", ".so", ".pyd", ".ipynb")):
        return pyc_name
    assert pyc_name.endswith(".pyc")
    non_compiled_file = pyc_name[:-1]
    if os.path.exists(non_compiled_file):
        return non_compiled_file
    return pyc_name
Try to retrieve a X.py file for a given X.py[c] file.
sacred/dependencies.py