Avoid explicit loop when updating OrderedSet (#7857)

pydata · May 25, 2023 · 95bb813 · 95bb813
1 parent fd0ac3e
commit 95bb813
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/xarray/core/utils.py b/xarray/core/utils.py
@@ -536,8 +536,7 @@ def discard(self, value: T) -> None:
     # Additional methods
 
     def update(self, values: Iterable[T]) -> None:
-        for v in values:
-            self._d[v] = None
+        self._d.update(dict.fromkeys(values))
 
     def __repr__(self) -> str:
         return f"{type(self).__name__}({list(self)!r})"