To re(train): $ python3 retrain.py --image_dir ~/document-classifier/tf_files/documents/

To run the "guess": $ python3 label_image.py --graph=./tf_files/retrained_graph.pb --labels=./tf_files/retrained_labels.txt --output_layer=final_result --image=rg12.jpg --input_layer=Placeholder

start flask server: FLASK_APP=start.py flask run

virtualenv: virtualenv --system-site-packages -p python3 ./venv source ./venv/bin/activate

tensorflow: https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-1.8.0-py3-none-any.whl