More cleanup.

1 files changed, 6 insertions, 4 deletions

diff --git a/dict_utils.py b/dict_utils.py
index 451a87d..ecd23fd 100644
--- a/dict_utils.py
+++ b/dict_utils.py
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 
+"""Helper functions for dealing with dictionaries."""
+
 from itertools import islice
 from typing import Any, Callable, Dict, Iterator, List, Tuple
 
@@ -42,10 +44,10 @@ def shard(d: Dict[Any, Any], size: int) -> Iterator[Dict[Any, Any]]:
     """
     items = d.items()
     for x in range(0, len(d), size):
-        yield {key: value for (key, value) in islice(items, x, x + size)}
+        yield dict(islice(items, x, x + size))
 
 
-def coalesce_by_creating_list(key, new_value, old_value):
+def coalesce_by_creating_list(_, new_value, old_value):
     from list_utils import flatten
 
     return flatten([new_value, old_value])
@@ -55,11 +57,11 @@ def coalesce_by_creating_set(key, new_value, old_value):
     return set(coalesce_by_creating_list(key, new_value, old_value))
 
 
-def coalesce_last_write_wins(key, new_value, old_value):
+def coalesce_last_write_wins(_, new_value, discarded_old_value):
     return new_value
 
 
-def coalesce_first_write_wins(key, new_value, old_value):
+def coalesce_first_write_wins(_, discarded_new_value, old_value):
     return old_value