                                 pixel_gradient_diff=losses.GradientLoss())
          self._uses_l2_reg = ["ssim", "gmsd"]
          self._inputs = None
          self._names = []
          self._funcs = dict()
          logger.debug("Initialized: %s", self.__class__.__name__)
  
      @property
      def names(self):
          """ list: The list of loss names for the model. """
 
</s> remove         self._carry_over = dict()
 </s> add         self._carry_over = {} </s> remove     dir_contents = list()
 </s> add     dir_contents = [] </s> remove         samples = dict()
        images = dict()
        masks = dict()
 </s> add         samples = {}
        images = {}
        masks = {} </s> remove         self.return_file = getattr(self, "_{}".format(self._handletype.lower()))()
 </s> add         self.return_file = getattr(self, f"_{self._handletype.lower()}")()
        self._remove_dummy_master()
 </s> remove         self._stats = dict()
 </s> add         self._stats = {}
        self._funcs = {}
                                 pixel_gradient_diff=losses.GradientLoss())
          self._uses_l2_reg = ["ssim", "gmsd"]
          self._inputs = None
          self._names = []
        self._funcs = {}
          logger.debug("Initialized: %s", self.__class__.__name__)
  
      @property
      def names(self):
          """ list: The list of loss names for the model. """
keep keep keep keep replace keep keep keep keep keep
 Update code to support Tensorflow versions up to 2.8 (#1213)

* Update maximum tf version in setup + requirements

* - bump max version of tf version in launcher
- standardise tf version check

* update keras get_custom_objects  for tf>2.6

* bugfix: force black text in GUI file dialogs (linux)

* dssim loss - Move to stock tf.ssim function

* Update optimizer imports for compatibility

* fix logging for tf2.8

* Fix GUI graphing for TF2.8

* update tests

* bump requirements.txt versions

* Remove limit on nvidia-ml-py

* Graphing bugfixes
  - Prevent live graph from displaying if data not yet available

* bugfix: Live graph. Collect loss labels correctly

* fix: live graph - swallow inconsistent loss errors

* Bugfix: Prevent live graph from clearing during training

* Fix graphing for AMD 
plugins/train/model/_base.py