Add utils.ops and nn.modules to tests (#4484)

ultralytics/hub/auth.py

@@ -73,8 +73,7 @@ class Auth:
             bool: True if authentication is successful, False otherwise.
         """
         try:
-            header = self.get_auth_header()
-            if header:
+            if header := self.get_auth_header():
                 r = requests.post(f'{HUB_API_ROOT}/v1/auth', headers=header)
                 if not r.json().get('success', False):
                     raise ConnectionError('Unable to authenticate.')
@@ -117,23 +116,4 @@ class Auth:
             return {'authorization': f'Bearer {self.id_token}'}
         elif self.api_key:
             return {'x-api-key': self.api_key}
-        else:
-            return None
-
-    def get_state(self) -> bool:
-        """
-        Get the authentication state.
-
-        Returns:
-            bool: True if either id_token or API key is set, False otherwise.
-        """
-        return self.id_token or self.api_key
-
-    def set_api_key(self, key: str):
-        """
-        Set the API key for authentication.
-
-        Args:
-            key (str): The API key string.
-        """
-        self.api_key = key
+        # else returns None