pick out stringarray keepdims changes from #59234

pandas/core/arrays/string_.py

@@ -736,7 +736,13 @@ def astype(self, dtype, copy: bool = True):
  return super().astype(dtype, copy)
 
  def _reduce(
- self, name: str, *, skipna: bool = True, axis: AxisInt | None = 0, **kwargs
+ self,
+ name: str,
+ *,
+ skipna: bool = True,
+ keepdims: bool = False,
+ axis: AxisInt | None = 0,
+ **kwargs,
  ):
  if self.dtype.na_value is np.nan and name in ["any", "all"]:
  if name == "any":
@@ -745,8 +751,10 @@ def _reduce(
  return nanops.nanall(self._ndarray, skipna=skipna)
 
  if name in ["min", "max"]:
- return getattr(self, name)(skipna=skipna, axis=axis)
-
+ result = getattr(self, name)(skipna=skipna, axis=axis)
+ if keepdims:
+ return self._from_sequence([result], dtype=self.dtype)
+ return result
  raise TypeError(f"Cannot perform reduction '{name}' with string dtype")
 
  def _wrap_reduction_result(self, axis: AxisInt | None, result) -> Any: