<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def GetDataByPath(self, path):
 """Retrieves the data associated to a path. Args: path (str):
 path of the file entry. Returns: bytes: data or None if not available. """

    _, path_data = self._paths.get(path, (None, None))
    return path_data