google.protobuf.message.DecodeError: Truncated message #2

Thank you for your sharing first. I tried to run your code on my computer and load my .pb and .txt files.
it gives me error:
pi@raspberrypi:~/robotimages $ python retrain_example.py
Traceback (most recent call last):
File "retrain_example.py", line 86, in
run_inference_on_image()
File "retrain_example.py", line 63, in run_inference_on_image
create_graph()
File "retrain_example.py", line 49, in create_graph
graph_def.ParseFromString(f.read())
File "/usr/local/lib/python2.7/dist-packages/google/protobuf/message.py", line 185, in ParseFromString
self.MergeFromString(serialized)
File "/usr/local/lib/python2.7/dist-packages/google/protobuf/internal/python_message.py", line 1091, in MergeFromString
if self._InternalParse(serialized, 0, length) != length:
File "/usr/local/lib/python2.7/dist-packages/google/protobuf/internal/python_message.py", line 1127, in InternalParse
pos = field_decoder(buffer, new_pos, end, self, field_dict)
File "/usr/local/lib/python2.7/dist-packages/google/protobuf/internal/decoder.py", line 610, in DecodeRepeatedField
raise _DecodeError('Truncated message.')
google.protobuf.message.DecodeError: Truncated message.