diff --git a/Github/objects/repo.py b/Github/objects/repo.py
index d709920..965585b 100644
--- a/Github/objects/repo.py
+++ b/Github/objects/repo.py
@@ -46,4 +46,4 @@ class Repository(APIOBJECT):
             setattr(self, key, value)
 
     def __repr__(self) -> str:
-        return f'<Repository; id: {self.id}, name: {self.name}, owner: {self.owner}, created_at: {dt_formatter(self.created_at)}, default_branch: {self.default_branch}, license: {self.license}, >'
+        return f'<Repository; id: {self.id}, name: {self.name}, owner: {self.owner}, created_at: {self.created_at}, default_branch: {self.default_branch}, license: {self.license}, >'
diff --git a/Github/objects/user.py b/Github/objects/user.py
index 091ccc8..6aaf26d 100644
--- a/Github/objects/user.py
+++ b/Github/objects/user.py
@@ -50,7 +50,7 @@ class User(_BaseUser):
             setattr(self, key, value)
 
     def __repr__(self):
-        return f'<User; login: {self.login}, id: {self.id}, created_at: {dt_formatter(self.created_at)}>'
+        return f'<User; login: {self.login}, id: {self.id}, created_at: {self.created_at}>'
 
     @classmethod
     async def get_user(cls, session: aiohttp.ClientSession, username: str) -> 'User':
@@ -73,7 +73,7 @@ class PartialUser(_BaseUser):
 
 
     def __repr__(self):
-        return f'<PartialUser; login: {self.login}, id: {self.id}, site_admin: {self.site_admin}, html_url: {self.html_url}, created_at: {dt_formatter(self.created_at)}>'
+        return f'<PartialUser; login: {self.login}, id: {self.id}, site_admin: {self.site_admin}, html_url: {self.html_url}, created_at: {self.created_at}>'
 
     async def _get_user(self):
         """Upgrades the PartialUser to a User object."""