                      self._locate_mesh(mesh_ids, landmarks)
  
      def _discard_tk_faces(self):
          """ Remove any :class:`TKFace` objects from the cache that are not currently displayed. """
          keys = ["{}_{}".format(pnt_x, pnt_y)
                  for pnt_x, pnt_y in self._objects.visible_grid[:2].T.reshape(-1, 2)]
          for key in list(self._tk_faces):
              if key not in keys:
                  del self._tk_faces[key]
          logger.trace("keys: %s allocated_faces: %s", keys, len(self._tk_faces))
 
</s> remove                 if key.startswith("{}_".format(self._last_execution["frame_index"])):
 </s> add                 if key.startswith(f"{self._last_execution['frame_index']}_"): </s> remove         for key in ("mask", "affine_matrix", "interpolator", "stored_size", "stored_centering"):
            val = mask_dict.get(key)
            val = "face" if key == "stored_centering" and val is None else val
            if key == "affine_matrix" and not isinstance(val, np.ndarray):
                val = np.array(val, dtype="float64")
            setattr(self, self._attr_name(key), val)
            logger.trace("%s - %s", key, val if key != "mask" else type(val))

    @staticmethod
    def _attr_name(dict_key):
        """ The :class:`Mask` attribute name for the given dictionary key

        Parameters
        ----------
        dict_key: str
            The key name from an alignments dictionary

        Returns
        -------
        attribute_name: str
            The attribute name for the given key for :class:`Mask`
        """
        retval = "_{}".format(dict_key) if not dict_key.startswith("stored") else dict_key
        logger.trace("dict_key: %s, attribute_name: %s", dict_key, retval)
        return retval
 </s> add         self._mask = mask_dict["mask"]
        affine_matrix = mask_dict["affine_matrix"]
        self._affine_matrix = (affine_matrix if isinstance(affine_matrix, np.ndarray)
                               else np.array(affine_matrix, dtype="float64"))
        self._interpolator = mask_dict["interpolator"]
        self.stored_size = mask_dict["stored_size"]
        centering = mask_dict.get("stored_centering")
        self.stored_centering = "face" if centering is None else centering
        logger.trace({k: v if k != "mask" else type(v)  # type: ignore
                      for k, v in mask_dict.items()}) </s> remove         key = "{}_{}".format(frame_index, face_index)
 </s> add         key = f"{frame_index}_{face_index}" </s> remove         face.x = pnt_x
        face.w = width
        face.y = pnt_y
        face.h = height
        face.landmarks_xy = self._extractor.get_landmarks(frame_index, face_index, aligner)
 </s> add         face.left = pnt_x
        face.width = width
        face.top = pnt_y
        face.height = height
        face._landmarks_xy = self._extractor.get_landmarks(frame_index, face_index, aligner) </s> remove                 face.x, face.y, face.w, face.h = box
 </s> add                 face.left, face.top, face.width, face.height = box
        keys = [f"{pnt_x}_{pnt_y}"
                      self._locate_mesh(mesh_ids, landmarks)
  
      def _discard_tk_faces(self):
          """ Remove any :class:`TKFace` objects from the cache that are not currently displayed. """
        keys = [f"{pnt_x}_{pnt_y}"
                  for pnt_x, pnt_y in self._objects.visible_grid[:2].T.reshape(-1, 2)]
          for key in list(self._tk_faces):
              if key not in keys:
                  del self._tk_faces[key]
          logger.trace("keys: %s allocated_faces: %s", keys, len(self._tk_faces))
keep keep keep keep replace keep keep keep keep keep
 lib.align updates:
  - alignments.py
    - Add typed dicts for imported alignments
    - Explicitly check for presence of thumb value in alignments dict
    - linting
  - detected_face.py
    - Typing
    - Linting
    - Legacy support for pre-aligned face
    - Update dependencies to new property names 
tools/manual/faceviewer/viewport.py