Add forgotten initialization. Fixes bug #120994, "Traceback with

    DISTUTILS_DEBUG set"

command/install.py

@@ -146,6 +146,7 @@ class install (Command):
         self.install_data = None
 
         self.compile = None
+        self.no_compile = None
         self.optimize = None
 
         # These two are for putting non-packagized distributions into their