code: def _get_pyc_source(self, path):
      # strip 'c' or 'o' from *.py[co]
      assert path[-1:] in ("c", "o")
      path = path[:-1]
  
      try:
          toc_entry = self._files[path]
      except KeyError:
          return None
      else:
          return _get_data(self.archive, toc_entry)
  
imports: import _frozen_importlib_external
  from _frozen_importlib_external import _unpack_uint16, _unpack_uint32
  import _frozen_importlib
  import _imp
  import _io
  import marshal
  import sys
  import time
  import _warnings
label_desc: Use image node_id 13 for calling a global function with example usage: _get_pyc_source(path) and returns: _get_data, None