code: def GetBlobs(meta_net_def, key):
      blobs = _ProtoMapGet(meta_net_def.blobs, key)
      if blobs is None:
          return []
      return blobs
  
imports: from caffe2.python import core, scope
label_desc: Use image node_id 8 for calling a global function with example usage: GetBlobs(meta_net_def, key) and returns: blobs, list