diff --git a/mlflow/exceptions.py b/mlflow/exceptions.py
index b998129897ce6..22a5e6135d42e 100644
--- a/mlflow/exceptions.py
+++ b/mlflow/exceptions.py
@@ -67,10 +67,11 @@ class RestException(MlflowException):
     """Exception thrown on non 200-level responses from the REST API"""
 
     def __init__(self, json):
+        print(json, type(json))
         try:
             error_code = json.get("error_code", ErrorCode.Name(INTERNAL_ERROR))
         except Exception as e:
-            raise Exception(json) from e
+            raise Exception(json, type(json)) from e
         message = "%s: %s" % (
             error_code,
             json["message"] if "message" in json else "Response: " + str(json),