diff -ru mysql-workbench-community-6.3.4-orig/library/forms/swig/mforms.i mysql-workbench-community-6.3.4-src/library/forms/swig/mforms.i
--- mysql-workbench-community-6.3.4-orig/library/forms/swig/mforms.i	2015-06-08 04:30:54.000000000 -0700
+++ mysql-workbench-community-6.3.4-src/library/forms/swig/mforms.i	2015-10-21 09:35:28.295132551 -0700
@@ -533,7 +533,7 @@
 
 #define SWIG_ADD_SIGNAL_BOOL_INT_CALLBACK(method, signal)\
         void add_##method(PyObject *callback) { signal->connect(pycall_bool_int_fun(callback)); }\
-        bool call_##method(int i) { return (*signal)(i); }
+        bool call_##method(int i) { return (bool) (*signal)(i); }
 
 #define SWIG_ADD_SIGNAL_VOID_ENTRYACTION_CALLBACK(method, signal)\
 	void add_##method(PyObject *callback) { signal->connect(pycall_void_entryaction_fun(callback)); }
diff -ru mysql-workbench-community-6.3.4-orig/library/forms/view.cpp mysql-workbench-community-6.3.4-src/library/forms/view.cpp
--- mysql-workbench-community-6.3.4-orig/library/forms/view.cpp	2015-06-08 04:30:54.000000000 -0700
+++ mysql-workbench-community-6.3.4-src/library/forms/view.cpp	2015-10-21 09:34:21.674650751 -0700
@@ -512,7 +512,7 @@
 bool View::mouse_leave()
 {
   if (_signal_mouse_leave.num_slots() > 0)
-    return _signal_mouse_leave();
+    return (bool) _signal_mouse_leave();
   return false;
 }