code: def source_hash(source_bytes):
      "Return the hash of *source_bytes* as used in hash-based pyc files."
      return _imp.source_hash(_RAW_MAGIC_NUMBER, source_bytes)
  
imports: from ._abc import Loader
  from ._bootstrap import module_from_spec
  from ._bootstrap import _resolve_name
  from ._bootstrap import spec_from_loader
  from ._bootstrap import _find_spec
  from ._bootstrap_external import MAGIC_NUMBER
  from ._bootstrap_external import _RAW_MAGIC_NUMBER
  from ._bootstrap_external import cache_from_source
  from ._bootstrap_external import decode_source
  from ._bootstrap_external import source_from_cache
  from ._bootstrap_external import spec_from_file_location
  from contextlib import contextmanager
  import _imp
  import functools
  import sys
  import types
  import warnings
label_desc: Use image node_id 1 for calling a global function with example usage: source_hash(source_bytes) and returns: _imp