Fix CI

Author: sobolevn

Grammar/python.gram

@@ -210,7 +210,7 @@ del_stmt[stmt_ty]:
 
 yield_stmt[stmt_ty]: y=yield_expr { _PyAST_Expr(y, EXTRA) }
 
-assert_stmt[stmt_ty]: 
+assert_stmt[stmt_ty]:
     | invalid_assert_stmt
     | 'assert' a=expression b=[',' z=expression { z }] { _PyAST_Assert(a, b, EXTRA) }
 
@@ -1302,12 +1302,12 @@ invalid_del_stmt:
 invalid_assert_stmt:
     | 'assert' a=expression '=' b=expression {
         RAISE_SYNTAX_ERROR_KNOWN_RANGE(
-            a, b, 
+            a, b,
             "cannot assign to %s here. Maybe you meant '==' instead of '='?",
             _PyPegen_get_expr_name(a)) }
     | 'assert' expression ',' a=expression '=' b=expression {
         RAISE_SYNTAX_ERROR_KNOWN_RANGE(
-            a, b, 
+            a, b,
             "cannot assign to %s here. Maybe you meant '==' instead of '='?",
             _PyPegen_get_expr_name(a)) }
 invalid_block: