[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypyc/irbuild/expression.py

@@ -590,7 +590,9 @@ def transform_index_expr(builder: IRBuilder, expr: IndexExpr) -> Value:
 
     base = builder.accept(expr.base, can_borrow=can_borrow_base)
 
-    if isinstance(base.type, RTuple) and isinstance(folded_index := constant_fold_expr(builder, index), int):
+    if isinstance(base.type, RTuple) and isinstance(
+        folded_index := constant_fold_expr(builder, index), int
+    ):
         return builder.add(TupleGet(base, folded_index, expr.line))
 
     if isinstance(index, SliceExpr):