title: Python argparse error: error: argument count: invalid int value
body: <p>I am trying to run below code in jupyter notebook.</p>
  
  <pre><code>import argparse
  parser = argparse.ArgumentParser(description='Example with non-optional arguments')
  parser.add_argument('count', action="store", type=int)
  parser.add_argument('units', action="store")
  print(parser.parse_args())
  </code></pre>
  
  <p>but this gives this gives below error</p>
  
  <pre><code>usage: ipykernel_launcher.py [-h] count units
  ipykernel_launcher.py: error: argument count: invalid int value: 'C:\\Users\\Kwan Lee\\AppData\\Roaming\\jupyter\\runtime\\kernel-76bf5bb5-ea74-42d5-8164-5c56b75bfafc.json'
  An exception has occurred, use %tb to see the full traceback.
  
  SystemExit: 2
  
  
  c:\users\kwan lee\anaconda2\envs\tensorflow\lib\site-packages\IPython\core\interactiveshell.py:2971: UserWarning: To exit: use 'exit', 'quit', or Ctrl-D.
    warn("To exit: use 'exit', 'quit', or Ctrl-D.", stacklevel=1)
  </code></pre>
  
  <p>I am just trying to learn what argparse is but I don't get this error.</p>