autopep8 cleanup of Examples/python whitespace

automated cleanup only of the Examples/python example code

Examples/python/performance/constructor/runme.py

@@ -2,8 +2,9 @@ import sys
 sys.path.append('..')
 import harness
 
-def proc (mod) :
-    for i in range(1000000) :
+
+def proc(mod):
+    for i in range(1000000):
         x = mod.MyClass()
 
 harness.run(proc)