title: How to include a module dependency as a part of py2exe script
body: <p>I got a windows installer my_script.exe (generated out of my_script.py using py2exe) which is dependent on "PyDes" module,</p>
  
  <p>when I execute my_script.exe it throws an error saying ,</p>
  
  <p>Import error : pyDes module</p>
  
  <p>How to include the pyDes module as a dependency to my_script.py</p>
  
  <p>I am using py2exe to create windows installer.</p>
  
  <p>python setup.py py2exe</p>