fixup

rhshadrach · rhshadrach · commit 900a2673002a · 2025-11-25T17:44:40.000-05:00
diff --git a/pandas/core/groupby/ops.py b/pandas/core/groupby/ops.py
@@ -662,7 +662,7 @@ def indices(self) -> dict[Hashable, npt.NDArray[np.intp]]:
                 result = {
                     np.nan if isna(key) else key: value for key, value in result.items()
                 }
-            else:
+            elif has_mi:
                 # MultiIndex has no efficient way to tell if there are NAs
                 result = {
                     tuple(np.nan if isna(comp) else comp for comp in key): value

Original file line number	Diff line number	Diff line change
`@@ -662,7 +662,7 @@ def indices(self) -> dict[Hashable, npt.NDArray[np.intp]]:`
`662`	`662`	`result = {`
`663`	`663`	`np.nan if isna(key) else key: value for key, value in result.items()`
`664`	`664`	`}`
`665`		`- else:`
	`665`	`+ elif has_mi:`
`666`	`666`	`# MultiIndex has no efficient way to tell if there are NAs`
`667`	`667`	`result = {`
`668`	`668`	`tuple(np.nan if isna(comp) else comp for comp in key): value`