Replace Wandb callback's finalize with no-op (Lightning-AI#1193)

* Replace Wandb callback's finalize with no-op

* Update pytorch_lightning/loggers/wandb.py

* Update wandb.py

* remove wandb logger's finalize and update tests

* update changelog

Co-authored-by: Jirka Borovec <Borda@users.noreply.github.com>
Co-authored-by: William Falcon <waf2107@columbia.edu>

CHANGELOG.md

@@ -33,6 +33,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 ### Removed
 
 - Removed duplicated module `pytorch_lightning.utilities.arg_parse` for loading CLI arguments ([#1167](https://github.com/PyTorchLightning/pytorch-lightning/issues/1167))
+- Removed wandb logger's finalize ([#1193](https://github.com/PyTorchLightning/pytorch-lightning/pull/1193))
 - Dropped `torchvision` dependency in tests and added own MNIST dataset class instead ([#986](https://github.com/PyTorchLightning/pytorch-lightning/issues/986))
 
 ### Fixed

pytorch_lightning/loggers/wandb.py

@@ -101,14 +101,6 @@ def log_metrics(self, metrics: Dict[str, float], step: Optional[int] = None) ->
             metrics['global_step'] = step
         self.experiment.log(metrics)
 
-    @rank_zero_only
-    def finalize(self, status: str = 'success') -> None:
-        try:
-            exit_code = 0 if status == 'success' else 1
-            wandb.join(exit_code)
-        except TypeError:
-            wandb.join()
-
     @property
     def name(self) -> str:
         return self.experiment.project_name()

tests/loggers/test_wandb.py

@@ -30,20 +30,6 @@ def test_wandb_logger(wandb):
     logger.watch('model', 'log', 10)
     wandb.watch.assert_called_once_with('model', log='log', log_freq=10)
 
-    logger.finalize('fail')
-    wandb.join.assert_called_once_with(1)
-
-    wandb.join.reset_mock()
-    logger.finalize('success')
-    wandb.join.assert_called_once_with(0)
-
-    wandb.join.reset_mock()
-    wandb.join.side_effect = TypeError
-    with pytest.raises(TypeError):
-        logger.finalize('any')
-
-    wandb.join.assert_called()
-
     assert logger.name == wandb.init().project_name()
     assert logger.version == wandb.init().id