gurvindersingh/mlapp

ML model serving app based on APIs

mlapp's Issues

UnpicklingError when running demo

Following the instructions on the github page on OSX with Python 3.6.5 gives the following error. I've never seen this before, but I did notice some people have similar issues with models saved with joblib (eg https://stackoverflow.com/a/44852728/280795)

[2018-11-23 22:08:45 +1030] [1604] [ERROR] Exception in worker process
Traceback (most recent call last):
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
    worker.init_process()
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/gunicorn/workers/base.py", line 129, in init_process
    self.load_wsgi()
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/gunicorn/workers/base.py", line 138, in load_wsgi
    self.wsgi = self.app.wsgi()
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/gunicorn/app/base.py", line 67, in wsgi
    self.callable = self.load()
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 52, in load
    return self.load_wsgiapp()
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py", line 41, in load_wsgiapp
    return util.import_app(self.app_uri)
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/gunicorn/util.py", line 350, in import_app
    __import__(module)
  File "/Users/myname/dev/prg/mlapp_test/mlapp/app.py", line 92, in <module>
    model.load()
  File "/Users/myname/dev/prg/mlapp_test/mlapp/model.py", line 73, in load
    learn.load(model, device=CONFIG[model]['device'])
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/fastai/basic_train.py", line 204, in load
    self.model.load_state_dict(torch.load(self.path/self.model_dir/f'{name}.pth', map_location=device))
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/torch/serialization.py", line 358, in load
    return _load(f, map_location, pickle_module)
  File "/Users/myname/dev/prg/mlapp_test/mlapp/venv/lib/python3.6/site-packages/torch/serialization.py", line 519, in _load
    magic_number = pickle_module.load(f)
_pickle.UnpicklingError: invalid load key, 'v'```