python
diff --git a/‎Lib/ast.py‎
Lines changed: 2 additions & 1 deletion b/‎Lib/ast.py‎
Lines changed: 2 additions & 1 deletion
diff --git a/‎Lib/test/test_ast.py‎
Lines changed: 6 additions & 0 deletions b/‎Lib/test/test_ast.py‎
Lines changed: 6 additions & 0 deletions
diff --git a/‎Misc/NEWS.d/next/Library/2022-07-20-22-49-48.gh-issue-95066.TuCu0E.rst‎
Lines changed: 1 addition & 0 deletions b/‎Misc/NEWS.d/next/Library/2022-07-20-22-49-48.gh-issue-95066.TuCu0E.rst‎
Lines changed: 1 addition & 0 deletions
@@ -42,7 +42,8 @@ def parse(source, filename='<unknown>', mode='exec', *,
         flags |= PyCF_TYPE_COMMENTS
     if isinstance(feature_version, tuple):
         major, minor = feature_version  # Should be a 2-tuple.
-        assert major == 3
+        if major != 3:
+            raise ValueError(f"Unsupported major version: {major}")
         feature_version = minor
     elif feature_version is None:
         feature_version = -1
 
@@ -756,6 +756,12 @@ def test_assignment_expression_feature_version(self):
         with self.assertRaises(SyntaxError):
             ast.parse('(x := 0)', feature_version=(3, 7))
 
+    def test_invalid_major_feature_version(self):
+        with self.assertRaises(ValueError):
+            ast.parse('pass', feature_version=(2, 7))
+        with self.assertRaises(ValueError):
+            ast.parse('pass', feature_version=(4, 0))
+
     def test_constant_as_name(self):
         for constant in "True", "False", "None":
             expr = ast.Expression(ast.Name(constant, ast.Load()))
 
@@ -0,0 +1 @@
+Replaced assert with exception in :func:`ast.parse`, when ``feature_version`` has an invalid major version. Patch by Shantanu Jain.
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Replaced assert with exception in :func:`ast.parse`, when ``feature_version`` has an invalid major version. Patch by Shantanu Jain.