          face["left"] = int(pt_x)
          face["top"] = int(pt_y)
          face["right"] = int(pt_x1)
          face["bottom"] = int(pt_y1)
  
      logger.trace("Rotated landmarks: %s", rotated_landmarks)
      return face
  
  
 
</s> remove                             self.logger.error(msg)
                        raise ValueError(msg)
 </s> add                             self.logger.warning(msg)
                        self.initialized = True
                        return </s> remove                                "Library. The most likely cause is incorrectly installed drivers. "
                               "Please remove and reinstall your Nvidia drivers before reporting."
 </s> add                                "Library. Either you do not have an Nvidia GPU (in which case "
                               "this warning can be ignored) or the most likely cause is "
                               "incorrectly installed drivers. If this is the case, Please remove "
                               "and reinstall your Nvidia drivers before reporting."
        rotated_landmarks = face
          face["left"] = int(pt_x)
          face["top"] = int(pt_y)
          face["right"] = int(pt_x1)
          face["bottom"] = int(pt_y1)
        rotated_landmarks = face
  
      logger.trace("Rotated landmarks: %s", rotated_landmarks)
      return face
  
  
keep keep keep add keep keep keep keep keep
 Bugfixes

lib/utils.py: Fix variable reference prior to assignment
lib/gpu_stats.py: Return warning rather than  error if NVML cannot be loaded. 
lib/utils.py