BUG: Fix boolean column indexing (#61980)

Author: Aniketsy

pandas/core/frame.py

@@ -4000,10 +4000,12 @@ def __getitem__(self, key):
             and len(key) > 0
             and any(isinstance(k, bool) for k in key)
             and all(isinstance(k, (bool, str)) for k in key)
-            and not (len(key) == len((self.index) and all(isinstance(k, bool) for k in key)))
-        ):  
-            return self.reindex_columns(key)  
-        
+            and not (
+                len(key) == len(self.index) and all(isinstance(k, bool) for k in key)
+            )
+        ):
+            return self.reindex_columns(key)
+
         if is_hashable(key) and not is_iterator(key) and not isinstance(key, slice):
             # is_iterator to exclude generator e.g. test_getitem_listlike
             # As of Python 3.12, slice is hashable which breaks MultiIndex (GH#57500)

pandas/tests/frame/indexing/test_getitem.py

@@ -101,12 +101,11 @@ def test_getitem_list_duplicates(self):
         expected = df.iloc[:, 2:]
         tm.assert_frame_equal(result, expected)
 
-    def test_getitem_bool_column_name(self):
-        # GH#61980
-        data = {"A": [1, 2, 3], "B": [4, 5, 6], True: [7, 8, 9]}
-        df = DataFrame(data)
+    def test_getitem_single_bool_column(self):
+        #  GH#61980
+        df = DataFrame({True: [10, 20, 30]})
         result = df[[True]]
-        expected = DataFrame({True: [7, 8, 9]})
+        expected = DataFrame({True: [10, 20, 30]})
         tm.assert_frame_equal(result, expected)
 
     def test_getitem_dupe_cols(self):