title: I am using py2exe tool generate exe and I am using openpyxl library. Getting Import error
body: <p>I am using <code>py2exe</code> tool to generate exe and I am using openpyxl library. 
  Getting Import error.</p>
  
  <p>```</p>
  
  <pre><code>  from distutils.core import setup 
     import py2exe 
  
     setup( 
         console=["Vector.py"], 
         options = { 
          "py2exe":{ 
                "includes":["openpyxl"] 
                }
            } 
         )
  </code></pre>
  
  <p>```</p>
  
  <p>****Error:****</p>
  
  <pre><code>C:\Users\t7245mh\Desktop\Vector\Script\New files&gt;python Setup.py py2exe
  running py2exe
  *** searching for required modules ***
  Traceback (most recent call last):
    File "Setup.py", line 8, in &lt;module&gt;
      "includes":["openpyxl"]
    File "C:\Python27\lib\distutils\core.py", line 151, in setup
      dist.run_commands()
    File "C:\Python27\lib\distutils\dist.py", line 953, in run_commands
      self.run_command(cmd)
    File "C:\Python27\lib\distutils\dist.py", line 972, in run_command
      cmd_obj.run()
    File "C:\Python27\lib\site-packages\py2exe\build_exe.py", line 243, in run
      self._run()
    File "C:\Python27\lib\site-packages\py2exe\build_exe.py", line 296, in _run
      self.find_needed_modules(mf, required_files, required_modules)
    File "C:\Python27\lib\site-packages\py2exe\build_exe.py", line 1297, in find_n
  eeded_modules
      mf.import_hook(mod)
    File "C:\Python27\lib\site-packages\py2exe\mf.py", line 719, in import_hook
      return Base.import_hook(self,name,caller,fromlist,level)
    File "C:\Python27\lib\site-packages\py2exe\mf.py", line 136, in import_hook
      q, tail = self.find_head_package(parent, name)
    File "C:\Python27\lib\site-packages\py2exe\mf.py", line 204, in find_head_pack
  age
      raise ImportError, "No module named " + qname
  ImportError: No module named openpyxl
  </code></pre>