chess\__init__.py superfluous-parens

There are two such alerts in this file. One has two terms and the parentheses do not contribute to readability. The other term is longer and the parenthesis help to  readability   and therefore are kept.

Author: evidencebp

chess/__init__.py

@@ -3402,7 +3402,7 @@ def clean_castling_rights(self) -> Bitboard:
             if white_h_side and msb(white_h_side) < msb(white_king_mask):
                 white_h_side = 0
 
-            black_a_side = (black_castling & -black_castling)
+            black_a_side = black_castling & -black_castling
             black_h_side = BB_SQUARES[msb(black_castling)] if black_castling else BB_EMPTY
 
             if black_a_side and msb(black_a_side) > msb(black_king_mask):