Formatting fixup

Author: mtauraso

ignite/engine/engine.py

@@ -1081,7 +1081,7 @@ def _run_once_on_dataset_as_gen(self) -> Generator[State, None, float]:
                             yield from self._maybe_terminate_or_interrupt()
 
                     self.state.batch = next(self._dataloader_iter)
-                    # We on purpose reset state.output here as for iterable dataloaders 
+                    # We on purpose reset state.output here as for iterable dataloaders
                     # we accidentally can remove it when one epoch is completed.
                     self.state.output = None
 
@@ -1268,10 +1268,10 @@ def _run_once_on_dataset_legacy(self) -> float:
                             self._maybe_terminate_legacy()
 
                     self.state.batch = next(self._dataloader_iter)
-                    # We on purpose reset state.output here as for iterable dataloaders 
+                    # We on purpose reset state.output here as for iterable dataloaders
                     # we accidentally can remove it when one epoch is completed.
                     self.state.output = None
-                    
+
                     # We should not trigger GET_BATCH_STARTED, GET_BATCH_COMPLETED, DATALOADER_STOP_ITERATION events
                     # if no data was provided to engine.run(data=None, ...)
                     if self.state.dataloader is not None: