title: scikit-image fails to install
body: <p>I'm trying to install the <code>scikit-image</code> package on my Windows 7 64-bit machine with python 3.5. While installing scikit, the requirements are met:</p>
  
  <pre><code>Requirement already satisfied: six&gt;=1.7.3 in c:\users\x\appdata\local\programs\python\python35\lib\site-packages (from scikit-image)
  Requirement already satisfied: networkx&gt;=1.8 in c:\users\x\appdata\local\programs\python\python35\lib\site-packages (from scikit-image)
  Requirement already satisfied: pillow&gt;=2.1.0 in c:\users\x\appdata\local\programs\python\python35\lib\site-packages (from scikit-image)
  Requirement already satisfied: PyWavelets&gt;=0.4.0 in c:\users\x\appdata\local\programs\python\python35\lib\site-packages (from scikit-image)
  Requirement already satisfied: decorator&gt;=4.1.0 in c:\users\x\appdata\local\programs\python\python35\lib\site-packages (from networkx&gt;=1.8-&gt;scikit-image)
  Requirement already satisfied: numpy&gt;=1.9.1 in c:\users\x\appdata\local\programs\python\python35\lib\site-packages (from PyWavelets&gt;=0.4.0-&gt;scikit-image)
  </code></pre>
  
  <p>But in the end, the installation fails with: </p>
  
  <pre><code>UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 114: character maps to &lt;undefined&gt;
  
      ----------------------------------------
  
    Failed building wheel for scikit-image
  Command "C:\Users\X\AppData\Local\Programs\Python\Python35\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\X\\AppData\\Local\\Temp\\pycharm-packaging\\scikit-image\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\X\AppData\Local\Temp\pip-3hy8fcuv-record\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in C:\Users\X\AppData\Local\Temp\pycharm-packaging\scikit-image\
  </code></pre>
  
  <p>I already tried:</p>
  
  <pre><code>pip install -U wheel
  pip install -U setuptools
  pip install -U scipy
  </code></pre>
  
  <p>and also upgrading pip itself, nothing works.</p>