Fix whitespace

Author: moi90

pytorch_lightning/callbacks/base.py

@@ -87,4 +87,4 @@ def on_test_end(self, trainer, pl_module):
         pass
 
     def on_interrupted(self, trainer, pl_module):
-        """Called when the training is interrupted by KeyboardInterrupt."""
+        """Called when the training is interrupted by KeyboardInterrupt."""

pytorch_lightning/trainer/callback_hook.py

@@ -104,4 +104,4 @@ def on_test_end(self):
     def on_interrupted(self):
         """Called when the training is interrupted by KeyboardInterrupt."""
         for callback in self.callbacks:
-            callback.on_interrupted(self, self.get_model())
+            callback.on_interrupted(self, self.get_model())

tests/trainer/test_trainer.py

@@ -653,7 +653,6 @@ def __init__(self):
         def on_interrupted(self, trainer, pl_module):
             self.exc_info = sys.exc_info()
 
-
     interrupt_callback = InterruptCallback()
     handle_interrupt_callback = HandleInterruptCallback()
 
@@ -673,7 +672,6 @@ def on_interrupted(self, trainer, pl_module):
     assert isinstance(handle_interrupt_callback.exc_info[1], KeyboardInterrupt)
 
 
-
 def test_gradient_clipping(tmpdir):
     """
     Test gradient clipping