Change range of integer

state/modelverse_state/main.py

@@ -162,7 +162,7 @@ class ModelverseState(object):
                 return False
         elif not isinstance(value, primitive_types):
             return False
-        elif isinstance(value, integer_types) and not (-2**63 <= value <= 2**64 - 1):
+        elif isinstance(value, integer_types) and not (-2**63 <= value <= 2**63 - 1):
             return False
         return True