code: def _accept(prefix):
      return prefix[0:4] == b"GRIB" and i8(prefix[7]) == 1
  
file_path: catboost/contrib/python/Pillow/py2/PIL/GribStubImagePlugin.py
imports: from .None import Image, ImageFile
  from ._binary import i8
label_desc: Use image node_id 2 for calling a global function with example usage: _accept(prefix) and returns: unknown