flake8 fixes

loopy/preprocess.py

@@ -385,7 +385,6 @@ def _hackily_ensure_multi_assignment_return_values_are_scoped_private(kernel):
 
             newly_added_assignments_ids.add(new_assignment_id)
 
-            import loopy as lp
             new_temporaries[new_assignee_name] = (
                     TemporaryVariable(
                         name=new_assignee_name,

test/test_target.py

@@ -186,7 +186,7 @@ def test_tuple(ctx_factory):
             a, b = make_tuple(1, 2.)
             """)
 
-    evt, (a,b) = knl(queue)
+    evt, (a, b) = knl(queue)
 
     assert a.get() == 1
     assert b.get() == 2.