Fix typo in example signup timestamp in tutorial011_py39.py

docs_src/python_types/tutorial011_py39.py

@@ -13,11 +13,11 @@ class User(BaseModel):
 
 external_data = {
     "id": "123",
-    "signup_ts": "2026-01-01 22:22",
+    "signup_ts": "2017-06-01 12:22",
     "friends": [1, 2, 3],
 }
 user = User(**external_data)
 print(user)
-# > User id=123 name='John Doe' signup_ts=datetime.datetime(2026, 1, 1, 22, 22) friends=[1, 2, 3]
+# > User id=123 name='John Doe' signup_ts=datetime.datetime(2017, 6, 1, 12, 22) friends=[1, 2, 3]
 print(user.id)
 # > 123