Revert "applying DRY on cython vs Cython"

This reverts commit dab5ac36.

cython.py

@@ -8,7 +8,7 @@ if __name__ == '__main__':
 
     import os
     import sys
-
+    
     # Make sure we import the right Cython
     cythonpath, _ = os.path.split(os.path.realpath(__file__))
     sys.path.insert(0, cythonpath)
@@ -17,4 +17,7 @@ if __name__ == '__main__':
     main(command_line = 1)
 
 else:
-    from Cython import *
\ No newline at end of file
+    # Void cython.* directives.
+    from Cython.Shadow import *
+    ## and bring in the __version__
+    from Cython import __version__