[3.10] bpo-46240: Correct the error for unclosed parentheses when the tokenizer is not finished (GH-30378). (GH-30819)

(cherry picked from commit 70f415fb8b632247e28d87998642317ca7a652ae)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 802dc9a..606e685 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -227,7 +227,7 @@ def testSyntaxErrorOffset(self):
         check('x = "a', 1, 5)
         check('lambda x: x = 2', 1, 1)
         check('f{a + b + c}', 1, 2)
-        check('[file for str(file) in []\n])', 1, 11)
+        check('[file for str(file) in []\n]', 1, 11)
         check('a = « hello » « world »', 1, 5)
         check('[\nfile\nfor str(file)\nin\n[]\n]', 3, 5)
         check('[file for\n str(file) in []]', 2, 2)