          if not location:
              return
          filename = "extract_convert_preview"
          now = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
          filename = os.path.join(location,
                                  "{}_{}.{}".format(filename,
                                                    now,
                                                    "png"))
          get_images().previewoutput[0].save(filename)
          logger.debug("Saved preview to %s", filename)
          print("Saved preview to {}".format(filename))
  
  
 
</s> remove         filename = os.path.join(location,
                                "{}_{}.{}".format(filename,
                                                  now,
                                                  "png"))
 </s> add         filename = os.path.join(location, f"{filename}_{now}.png") </s> remove         print("Saved preview to {}".format(filename))
 </s> add         print(f"Saved preview to {filename}") </s> remove         print("Saved preview to {}".format(filename))
 </s> add         print(f"Saved preview to {filename}") </s> remove         filename = "{}_state.{}".format(model_name, self._serializer.file_extension)
 </s> add         filename = f"{model_name}_state.{self._serializer.file_extension}" </s> remove         self._sessions = dict()
        self._lowest_avg_loss = dict()
        self._config = dict()
 </s> add         self._sessions = {}
        self._lowest_avg_loss = {}
        self._config = {}
        filename = os.path.join(location, f"{filename}_{now}.png")
          if not location:
              return
          filename = "extract_convert_preview"
          now = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
        filename = os.path.join(location, f"{filename}_{now}.png")
        filename = os.path.join(location, f"{filename}_{now}.png")
        filename = os.path.join(location, f"{filename}_{now}.png")
        filename = os.path.join(location, f"{filename}_{now}.png")
          get_images().previewoutput[0].save(filename)
          logger.debug("Saved preview to %s", filename)
          print("Saved preview to {}".format(filename))
  
  
keep keep keep keep replace replace replace 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 
lib/gui/display_command.py