      def shutdown(self):
          """ Shutdown pynvml """
          if self.initialized:
              self.handles = None
              if not is_macos:
                  pynvml.nvmlShutdown()
              self.initialized = False
  
      def get_device_count(self):
          """ Return count of Nvidia devices """
 
</s> remove         if is_macos:
 </s> add         if IS_MACOS: </s> remove             if is_macos:
 </s> add             if IS_MACOS:
                if self.logger:
                    self.logger.debug("macOS Detected. Using pynvx") </s> remove         if is_macos:
 </s> add         if IS_MACOS: </s> remove         if is_macos:
 </s> add         if IS_MACOS:
            if not IS_MACOS:
      def shutdown(self):
          """ Shutdown pynvml """
          if self.initialized:
              self.handles = None
            if not IS_MACOS:
                  pynvml.nvmlShutdown()
              self.initialized = False
  
      def get_device_count(self):
          """ Return count of Nvidia devices """
keep keep keep keep replace keep keep keep keep keep
 Logging (#541)

* Convert prints to logger. Further logging improvements. Tidy  up

* Fix system verbosity. Allow SystemExit

* Fix reload extract bug

* Child Traceback handling

* Safer shutdown procedure

* Add shutdown event to queue manager

* landmarks_as_xy > property. GUI notes + linting. Aligner bugfix

* fix FaceFilter. Enable nFilter when no Filter is supplied

* Fix blurry face filter

* Continue on IO error. Better error handling

* Explicitly print stack trace tocrash log

* Windows Multiprocessing bugfix

* Add git info and conda version to crash log

* Windows/Anaconda mp bugfix

* Logging fixes for training 
lib/gpu_stats.py