title: compile from .py to .pyc then use Cython to compile to .c file
body: <p>I'm compile Python file .py to .pyc file
  In test.py file there is :</p>
  
  <pre><code>#!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  print "Hello, World!"
  </code></pre>
  
  <p>Then compile to .pyc with :</p>
  
  <pre><code>import py_compile
  py_compile.compile("test.py")
  </code></pre>
  
  <p>Then I'm trying to compile it to .c file with Cython but tell me this error</p>
  
  <pre><code>Error compiling Cython file:
  ------------------------------------------------------------
  [unprintable code]
  ------------------------------------------------------------
  
  test.pyc:1:1: Decoding error, missing or incorrect coding=&lt;encoding-name&gt; at top of source (cannot decode with encoding 'utf8': invalid continuation byte)
  </code></pre>
  
  <p>With .py file Cython work greats but with .pyc don't</p>
  
  <p>What should I do ?</p>
  
  <p>thanks.</p>