Fix not null schema

andrewhabib · andrewhabib · commit 93966e6beedf · 2019-11-16T16:41:57.000+01:00
diff --git a/jsonsubschema/_checkers.py b/jsonsubschema/_checkers.py
@@ -823,7 +823,8 @@ def _isNullSubtype(self, s2):
 
     @staticmethod
     def neg(s):
-        return None
+        return boolToConstructor.get("anyOf")(
+            {"anyOf": get_default_types_except("null")})
 
 
 class JSONTypeArray(JSONschema):
