              vram = [pynvml.nvmlDeviceGetMemoryInfo(handle).used / (1024 * 1024)
                      for handle in self.handles]
          self.shutdown()
  
          if self.verbose:
              print("GPU VRAM used:    {}".format(vram))
  
          return vram
  
      def get_free(self):
          """ Return the vram available """
          self.initialize()
 
</s> remove         if is_macos:
 </s> add         if IS_MACOS: </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.verbose("GPU VRAM used: %s", vram)
              vram = [pynvml.nvmlDeviceGetMemoryInfo(handle).used / (1024 * 1024)
                      for handle in self.handles]
          self.shutdown()
  
        if self.logger:
            self.logger.verbose("GPU VRAM used: %s", vram)
        if self.logger:
            self.logger.verbose("GPU VRAM used: %s", vram)
        if self.logger:
            self.logger.verbose("GPU VRAM used: %s", vram)
          return vram
  
      def get_free(self):
          """ Return the vram available """
          self.initialize()
keep keep keep keep replace replace 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