code: def _normalize_line_endings(source):
      source = source.replace(b"\r\n", b"\n")
      source = source.replace(b"\r", b"\n")
      return source
  
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 9 for calling a global function with example usage: _normalize_line_endings(source) and returns: source