rounding boolean shouldnt error

Author: andrewgsavage

pandas/core/arrays/base.py

@@ -2282,10 +2282,10 @@ def round(self, decimals: int = 0, *args, **kwargs) -> Self:
         # Implementer note: This is a non-optimized default implementation.
         # Implementers are encouraged to override this method to avoid
         # elementwise rounding.
-        if not self.dtype._is_numeric or self.dtype._is_boolean:
-            raise TypeError(
-                f"Cannot round {type(self)} dtype as it is non-numeric or boolean"
-            )
+        if self.dtype._is_boolean:
+            return self
+        if not self.dtype._is_numeric:
+            raise TypeError(f"Cannot round {type(self)} dtype as it is non-numeric")
         return self._from_sequence(
             [
                 round(element) if not element_isna else element

pandas/tests/extension/base/methods.py

@@ -720,9 +720,13 @@ def test_equals_same_data_different_object(self, data):
         assert pd.Series(data).equals(pd.Series(data))
 
     def test_round(self, data):
-        if not data.dtype._is_numeric or data.dtype._is_boolean:
+        if not data.dtype._is_numeric:
             with pytest.raises(TypeError):
-                pd.Series(data).round()
+                data.round()
+        elif data.dtype._is_boolean:
+            result = pd.Series(data).round()
+            expected = pd.Series(data)
+            tm.assert_series_equal(result, expected)
         else:
             result = pd.Series(data).round()
             expected = pd.Series(