diff --git a/python/seldon_core/batch_processor.py b/python/seldon_core/batch_processor.py
index 6396103038..fb60085ed8 100644
--- a/python/seldon_core/batch_processor.py
+++ b/python/seldon_core/batch_processor.py
@@ -291,7 +291,7 @@ def _send_batch_predict(
                 str_output = json.dumps(seldon_payload.response)
                 break
             except (requests.exceptions.RequestException, AssertionError) as e:
-                logger.error("Exception:", e, "retries:", retries)
+                logger.error(f"Exception: {e}, retries {retries}")
                 if i == (retries - 1):
                     raise
 
@@ -367,7 +367,7 @@ def _send_batch_feedback(
                 str_output = json.dumps(seldon_payload.response)
                 break
             except (requests.exceptions.RequestException, AssertionError) as e:
-                logger.error("Exception:", e, "retries:", retries)
+                logger.error(f"Exception: {e}, retries {retries}")
                 if i == (retries - 1):
                     raise
 
diff --git a/python/seldon_core/mlmd_utils.py b/python/seldon_core/mlmd_utils.py
new file mode 100644
index 0000000000..e69de29bb2