lint fixes

Author: belm0

tests/test_connection.py

@@ -127,7 +127,7 @@ async def wrapper(*args, **kwargs):
 class MemoryListener(trio.abc.Listener):
     closed = attr.ib(default=False)
     accepted_streams = attr.ib(factory=list)
-    queued_streams = attr.ib(factory=(lambda: trio.open_memory_channel(1)))
+    queued_streams = attr.ib(factory=lambda: trio.open_memory_channel(1))
     accept_hook = attr.ib(default=None)
 
     async def connect(self):
@@ -423,10 +423,10 @@ async def test_handshake_exception_before_accept():
     handshake causes the task to hang. The proper behavior is to raise an
     exception to the nursery as soon as possible. '''
     async def handler(request):
-        raise Exception()
+        raise ValueError()
 
-    with pytest.raises(Exception):
-        with trio.open_nursery() as nursery:
+    with pytest.raises(ValueError):
+        async with trio.open_nursery() as nursery:
             server = await nursery.start(serve_websocket, handler, HOST, 0,
                 None)
             async with open_websocket(HOST, server.port, RESOURCE,

trio_websocket/_impl.py

@@ -62,7 +62,7 @@ def __exit__(self, ty, value, tb):
         def remove_cancels(exc):
             return None if isinstance(exc, trio.Cancelled) else exc
 
-        return trio.MultiError.filter(remove_cancels, value) is None
+        return trio.MultiError.filter(remove_cancels, value) is None  # pylint: disable=no-member
 
 
 @asynccontextmanager
@@ -1027,9 +1027,9 @@ async def _get_request(self):
         :rtype: WebSocketRequest
         '''
         if not self.is_server:
-            raise Exception('This method is only valid for server connections.')
+            raise RuntimeError('This method is only valid for server connections.')
         if self._connection_proposal is None:
-            raise Exception('No proposal available. Did you call this method'
+            raise RuntimeError('No proposal available. Did you call this method'
                 ' multiple times or at the wrong time?')
         proposal = await self._connection_proposal.wait_value()
         self._connection_proposal = None