title: pyinstaller importing scipy module
body: <p>A little python script that uses the scipy module executes perfectly, but when a  stand-alone executable is compiled with pyinstaller the executable fails.  Details:
  Windows 10  python 2.7.10  pyinstaller 3.3.1
  The error message is:</p>
  
  <pre><code>C:\Users\barry\Desktop\Testing&gt;TestScipy
  Traceback (most recent call last):
    File "TestScipy.py", line 15, in &lt;module&gt;
      from scipy import stats
    File "c:\python27\Lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 396, in load_module
  exec(bytecode, module.__dict__)
    File "site-packages\scipy\stats\__init__.py", line 343, in &lt;module&gt;
    File "c:\python27\Lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 396, in load_module
  exec(bytecode, module.__dict__)
    File "site-packages\scipy\stats\stats.py", line 169, in &lt;module&gt;
    File "c:\python27\Lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 396, in load_module
  exec(bytecode, module.__dict__)
    File "site-packages\scipy\special\__init__.py", line 640, in &lt;module&gt;
    File "c:\python27\Lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 687, in load_module
  module = imp.load_module(fullname, fp, filename, ext_tuple)
  ImportError: DLL load failed: The specified module could not be found.
  [9476] Failed to execute script TestScipy
  </code></pre>
  
  <p>How can I ensure that pyinstaller loads scipy correctly?</p>