Fix ci

Author: sobolevn

mypy/checkstrformat.py

@@ -1022,7 +1022,7 @@ def check_expr(expr: Expression) -> None:
             if check_type(type):
                 # Python 3 doesn't support b'%c' % str
                 if (
-                    and isinstance(format_expr, BytesExpr)
+                    isinstance(format_expr, BytesExpr)
                     and isinstance(expr, BytesExpr)
                     and len(expr.value) != 1
                 ):