def _accept(prefix):
    return prefix[:6] in ["GIF87a", "GIF89a"]

##
# Image plugin for GIF images.  This plugin supports both GIF87 and
# GIF89 images.
dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/site-packages/PIL/GifImagePlugin.py/_accept/original