fix hashability of dilation objects

src/wormhole/_dilation/connection.py

@@ -455,7 +455,7 @@ class _Record(object):
         self._framer.send_frame(frame)
 
 
-@attrs(hash=True)
+@attrs(cmp=False)
 class DilatedConnectionProtocol(Protocol, object):
     """I manage an L2 connection.
 

src/wormhole/_dilation/connector.py

@@ -39,7 +39,7 @@ NOISEPROTO = b"Noise_NNpsk0_25519_ChaChaPoly_BLAKE2s"
 def build_noise():
     return NoiseConnection.from_name(NOISEPROTO)
 
-@attrs(hash=True)
+@attrs(cmp=False)
 @implementer(IDilationConnector)
 class Connector(object):
     """I manage a single generation of connection.

src/wormhole/_dilation/manager.py

@@ -87,7 +87,7 @@ def make_side():
 # * if follower calls w.dilate() but not leader, follower waits forever
 #   in "want", leader waits forever in "wanted"
 
-@attrs(hash=True)
+@attrs(cmp=False)
 @implementer(IDilationManager)
 class Manager(object):
     _S = attrib(validator=provides(ISend), repr=False)

src/wormhole/test/dilate/test_connection.py

@@ -29,6 +29,10 @@ def make_con(role, use_relay=False):
 
 
 class Connection(unittest.TestCase):
+    def test_hashable(self):
+        c, n, connector, t, eq = make_con(LEADER)
+        hash(c)
+
     def test_bad_prologue(self):
         c, n, connector, t, eq = make_con(LEADER)
         c.makeConnection(t)