Avoid double work (stefankoegl#62)

mithrandi · stefankoegl · commit e8fbd18d933f · 2017-07-09T17:37:42.000+02:00
In the case where the optimized patch is not invalid, we shouldn't need to calculate the patch again.
diff --git a/jsonpatch.py b/jsonpatch.py
@@ -179,7 +179,7 @@ def make_patch(src, dst):
     if new != dst:
         return JsonPatch.from_diff(src, dst, False)
 
-    return JsonPatch.from_diff(src, dst)
+    return patch
 
 
 class JsonPatch(object):
