misc: Flake8

Author: EdCaunt

devito/operator/operator.py

@@ -1409,7 +1409,7 @@ def _visible_devices(self):
                 continue
 
         return {}
-    
+
     @cached_property
     def _physical_deviceid(self):
         if isinstance(self.platform, Device):

tests/test_gpu_common.py

@@ -108,7 +108,7 @@ def test_visible_devices(self, env_variables):
         # Make sure the switchenv doesn't somehow persist
         assert dict(os.environ) == previous_environ
 
-        # Check that physical deviceid is 0 when no environment variables set 
+        # Check that physical deviceid is 0 when no environment variables set
         op2 = Operator(eq)
 
         argmap2 = op2.arguments()