def should_be_python(self) -> bool:
        """Does it seem like this file should contain Python?

        This is used to decide if a file reported as part of the execution of
        a program was really likely to have contained Python in the first
        place.

        """
        # Get the file extension.
        _, ext = os.path.splitext(self.filename)

        # Anything named *.py* should be Python.
        if ext.startswith(".py"):
            return True
        # A file with no extension should be Python.
        if not ext:
            return True
        # Everything else is probably not Python.
        return False
Does it seem like this file should contain Python?

        This is used to decide if a file reported as part of the execution of
        a program was really likely to have contained Python in the first
        place.

        
coverage/python.py