title: Cannot install Tensorflow in Python
body: <p>I'm running python 3.5.3 on Windows</p>
  
  <p>I tried using </p>
  
  <pre><code>pip install --upgrade tensorflow 
  </code></pre>
  
  <p>and here's what i get back</p>
  
  <pre><code>Using cached tensorflow-1.0.1-cp35-cp35m-win_amd64.whl
  Requirement already up-to-date: wheel&gt;=0.26 in 
  c:\users\max\miniconda3\lib\site-packages (from tensorflow)
  Exception:
  Traceback (most recent call last):
    File "C:\Users\Max\Miniconda3\lib\site-packages\pip\basecommand.py", line 
  215, in main
  status = self.run(options, args)
    File "C:\Users\Max\Miniconda3\lib\site-packages\pip\commands\install.py", line 335, in run
      wb.build(autobuilding=True)
    File "C:\Users\Max\Miniconda3\lib\site-packages\pip\wheel.py", line 749, in build
      self.requirement_set.prepare_files(self.finder)
    File "C:\Users\Max\Miniconda3\lib\site-packages\pip\req\req_set.py", line 380, in prepare_files
      ignore_dependencies=self.ignore_dependencies))
    File "C:\Users\Max\Miniconda3\lib\site-packages\pip\req\req_set.py", line 666, in _prepare_file
      check_dist_requires_python(dist)
    File "C:\Users\Max\Miniconda3\lib\site-packages\pip\utils\packaging.py", line 48, in check_dist_requires_python
      feed_parser.feed(metadata)
    File "C:\Users\Max\Miniconda3\lib\email\feedparser.py", line 178, in feed
  self._input.push(data)
    File "C:\Users\Max\Miniconda3\lib\email\feedparser.py", line 104, in push
  self._partial.write(data)
  TypeError: string argument expected, got 'NoneType'
  </code></pre>
  
  <p>I've also tried</p>
  
  <pre><code>pip3 install --upgrade tensorflow
  </code></pre>
  
  <p>but I get back</p>
  
  <pre><code>'pip3' is not recognized as an internal or external command, operable program or batch file.
  </code></pre>
  
  <p>I'm not too sure what the error is, and googling hasn't gotten me any results</p>