Profile can be None or False

theano/compile/debugmode.py

@@ -2192,7 +2192,7 @@ class _Maker(FunctionMaker):  # inheritance buys a few helper functions
                  name=None):
         self.mode = mode
         self.profile = profile
-        if profile is not None:
+        if profile:
             raise Exception("DebugMode do not support profiling.")
         optimizer = mode.optimizer
         # Handle the case where inputs and/or outputs is a single