Random cleanups and type safety. Created ml subdir.

1 files changed, 2 insertions, 2 deletions

diff --git a/dict_utils.py b/dict_utils.py
index 0a2df25..292b933 100644
--- a/dict_utils.py
+++ b/dict_utils.py
@@ -39,9 +39,9 @@ def raise_on_duplicated_keys(key, v1, v2):
 def coalesce(
         inputs: Iterator[Dict[Any, Any]],
         *,
-        aggregation_function: Callable[[Any, Any, Any], Any] = coalesce_by_creating_list
+        aggregation_function: Callable[[Any, Any], Any] = coalesce_by_creating_list
 ) -> Dict[Any, Any]:
-    out = {}
+    out: Dict[Any, Any] = {}
     for d in inputs:
         for key in d:
             if key in out: