use pass for do-nothing

.flake8

@@ -2,5 +2,5 @@
 statistics = True
 max-line-length = 80
 select = C,E,F,W,B,B9
-ignore = E203, E501, E701, E704, B008, B011, B905, W503
+ignore = E203, E501, E704, B008, B011, B905, W503
 exclude = docs,.svn,CVS,.bzr,.hg,.git,__pycache__,.tox,.eggs,*.egg

cobald_tests/controller/test_stepwise.py

@@ -8,27 +8,31 @@
 class TestStepwise:
     def test_add(self):
         @stepwise
-        def control(pool, interval): ...
+        def control(pool, interval):
+            pass
 
         assert isinstance(control, UnboundStepwise)
 
         @control.add(supply=20)
-        def rule(pool, interval): ...
+        def rule(pool, interval):
+            pass
 
         assert isinstance(control, UnboundStepwise)
         assert isinstance(rule, FunctionType)
 
     def test_instantiate(self):
         @stepwise
-        def control(pool, interval): ...
+        def control(pool, interval):
+            pass
 
         assert isinstance(control(FullMockPool()), Stepwise)
         assert isinstance(control.s() >> FullMockPool(), Stepwise)
         assert isinstance(control(FullMockPool(), interval=10), Stepwise)
         assert isinstance(control.s(interval=10) >> FullMockPool(), Stepwise)
 
         @control.add(supply=20)
-        def rule(pool, interval): ...
+        def rule(pool, interval):
+            pass
 
         assert isinstance(control(FullMockPool()), Stepwise)
         assert isinstance(control.s() >> FullMockPool(), Stepwise)

cobald_tests/interfaces/test_partial.py

@@ -6,10 +6,12 @@
 
 
 class MockController(Controller):
-    def regulate(self, interval: float): ...
+    def regulate(self, interval: float):
+        pass
 
 
-class MockDecorator(PoolDecorator): ...
+class MockDecorator(PoolDecorator):
+    pass
 
 
 class TestPartial(object):