          """ Process the alignment of one face """
          with open(filename, "rb") as dfl:
              header = dfl.read(8)
              if header != b"\x89PNG\r\n\x1a\n":
                  print("ERROR: No Valid PNG header: {}".format(filename))
                  return None
              while True:
                  chunk_start = dfl.tell()
                  chunk_hdr = dfl.read(8)
                  if not chunk_hdr:
 
</s> remove         if self.verbose:
            print("Initializing Face Alignment Network model...")

        with tf.gfile.GFile(self.model_path, "rb") as gfile:
            graph_def = tf.GraphDef()
 </s> add         logger.verbose("Initializing Face Alignment Network model...")
        with self.tf.gfile.GFile(self.model_path, "rb") as gfile:
            graph_def = self.tf.GraphDef() </s> remove         try:
            while True:
                item = self.queues["in"].get()
                if item == "EOF":
                    self.queues["in"].put(item)
 </s> add         logger.debug("Launching Detect")
        while True:
            item = self.get_item()
            if item == "EOF":
                break
            logger.trace("Detecting faces: '%s'", item["filename"])
            detect_image = self.compile_detection_image(item["image"], False, False)

            for angle in self.rotation:
                current_image, rotmat = self.rotate_image(detect_image, angle)
                faces, points = detect_face(current_image, **self.kwargs)
                if angle != 0 and faces.any():
                    logger.verbose("found face(s) by rotating image %s degrees", angle)
                if faces.any(): </s> remove             item = self.queues["in"].get()
 </s> add             item = self.get_item() </s> remove             if not is_macos:
 </s> add             if not IS_MACOS: </s> remove             print("ERROR: Couldn't find DFL alignments: {}".format(filename))
 </s> add             logger.error("Couldn't find DFL alignments: %s", filename)
                logger.error("No Valid PNG header: %s", filename)
          """ Process the alignment of one face """
          with open(filename, "rb") as dfl:
              header = dfl.read(8)
              if header != b"\x89PNG\r\n\x1a\n":
                logger.error("No Valid PNG header: %s", filename)
                  return None
              while True:
                  chunk_start = dfl.tell()
                  chunk_hdr = dfl.read(8)
                  if not chunk_hdr:
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 
tools/lib_alignments/jobs.py