  
  class PickleSerializer(Serializer):
      ext = "p"
      woptions = "wb"
      roptions = "rb"
  
      @classmethod
      def marshal(cls, input_data):
 
</s> remove class Serializer(object):
 </s> add class Serializer():
    """ Parent Serializer class """ </s> remove     def unmarshal(cls, input_bytes):
 </s> add     def unmarshal(cls, input_bytes):  # pylint: disable=arguments-differ
    """ Picke Serializer """
  
  class PickleSerializer(Serializer):
    """ Picke Serializer """
      ext = "p"
      woptions = "wb"
      roptions = "rb"
  
      @classmethod
      def marshal(cls, input_data):
keep add keep 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/Serializer.py