appease flake8 somewhat

src/wormhole/_dilation/manager.py

@@ -45,6 +45,7 @@ class UnexpectedKCM(Exception):
 class UnknownMessageType(Exception):
     pass
 
+
 def make_side():
     return bytes_to_hexstr(os.urandom(6))
 

src/wormhole/test/dilate/test_manager.py

@@ -35,6 +35,7 @@ def make_dilator():
     dil.wire(send)
     return dil, send, reactor, eq, clock, coop
 
+
 class TestDilator(unittest.TestCase):
     def test_manager_and_endpoints(self):
         dil, send, reactor, eq, clock, coop = make_dilator()
@@ -201,9 +202,11 @@ class TestDilator(unittest.TestCase):
                                          mock.call().start(),
                                          mock.call().when_first_connected()])
 
+
 LEADER = "ff3456abcdef"
 FOLLOWER = "123456abcdef"
 
+
 def make_manager(leader=True):
     class Holder:
         pass
@@ -220,6 +223,7 @@ def make_manager(leader=True):
     h.clock = Clock()
     h.eq = EventualQueue(h.clock)
     term = mock.Mock(side_effect=lambda: True)  # one write per Eventual tick
+
     def term_factory():
         return term
     h.coop = Cooperator(terminationPredicateFactory=term_factory,
@@ -236,6 +240,7 @@ def make_manager(leader=True):
                 m = Manager(h.send, side, h.key, h.relay, h.reactor, h.eq, h.coop)
     return m, h
 
+
 class TestManager(unittest.TestCase):
     def test_make_side(self):
         side = make_side()