lowercase or

composer/loggers/mlflow_logger.py

@@ -163,7 +163,7 @@ def init(self, state: State, logger: Logger) -> None:
                 assert self._experiment_id is not None
                 existing_runs = mlflow.search_runs(
                     experiment_ids=[self._experiment_id],
-                    filter_string=f'tags.run_name = "{state.run_name}" OR tags.composer_run_name = "{state.run_name}"',
+                    filter_string=f'tags.run_name = "{state.run_name}" or tags.composer_run_name = "{state.run_name}"',
                     output_format='list')
                 if len(existing_runs) > 0:
                     self._run_id = existing_runs[0].info.run_id