style: shorten line to fit into PEP standard

Author: hexgnu

pandas/tests/reshape/test_tile.py

@@ -526,7 +526,7 @@ def _test_memview_cut(array_1_writeable, array_2_writeable):
             tm.assert_categorical_equal(cut(hundred_elements, array_1),
                                         cut(hundred_elements, array_2))
 
-        for (a1_writeable, a2_writeable) in [[True, True], [True, False], [False, False]]:
+        for (w_1, w_2) in [[True, True], [True, False], [False, False]]:
             _test_memview_cut(a1_writeable, a2_writeable)