Cleanup

pydata · Aug 16, 2024 · d419fb8 · d419fb8
1 parent 419b862
commit d419fb8
Showing 1 changed file with 3 additions and 9 deletions.
diff --git a/xarray/core/groupby.py b/xarray/core/groupby.py
@@ -475,15 +475,12 @@ class GroupBy(Generic[T_Xarray]):
     """
 
     __slots__ = (
-        "_inserted_dims",
-        "_group",
         "_group_dim",
-        "_group_indices",
-        "_groups",
         "groupers",
         "_obj",
         "_restore_coord_dims",
-        "_stacked_dim",
+        # cached properties
+        "_groups",
         "_dims",
         "_sizes",
         "_len",
@@ -494,7 +491,6 @@ class GroupBy(Generic[T_Xarray]):
         "group1d",
         "_stacked_dim",
         "_inserted_dims",
-        "coords",
         "encoded",
     )
     _obj: T_Xarray
@@ -509,15 +505,13 @@ class GroupBy(Generic[T_Xarray]):
     _groups: dict[GroupKey, GroupIndex] | None
     _dims: tuple[Hashable, ...] | Frozen[Hashable, int] | None
     _sizes: Mapping[Hashable, int] | None
+    _len: int
 
     # _ensure_1d:
     group1d: T_Group
     _stacked_dim: Hashable | None
     _inserted_dims: list[Hashable]
 
-    _unique_coord: Variable | _DummyGroup
-    coords: Coordinates
-
     encoded: EncodedGroups
 
     def __init__(