[lint] Remove unused variables

Left over from various refactoring and rewrites.

discord/abc.py

@@ -955,7 +955,7 @@ class Connectable(metaclass=abc.ABCMeta):
         :class:`VoiceClient`
             A voice client that is fully connected to the voice server.
         """
-        key_id, key_name = self._get_voice_client_key()
+        key_id, _ = self._get_voice_client_key()
         state = self._state
 
         if state._get_voice_client(key_id):

discord/client.py

@@ -367,7 +367,7 @@ class Client:
         while True:
             try:
                 await self.ws.poll_event()
-            except ResumeWebSocket as e:
+            except ResumeWebSocket:
                 log.info('Got a request to RESUME the websocket.')
                 coro = DiscordWebSocket.from_client(self, shard_id=self.shard_id,
                                                           session=self.ws.session_id,

discord/ext/commands/core.py

@@ -321,7 +321,7 @@ class Command:
         try:
             # first/second parameter is context
             result.popitem(last=False)
-        except Exception as e:
+        except Exception:
             raise ValueError('Missing context parameter') from None
 
         return result

discord/shard.py

@@ -74,7 +74,7 @@ class Shard:
     async def poll(self):
         try:
             await self.ws.poll_event()
-        except ResumeWebSocket as e:
+        except ResumeWebSocket:
             log.info('Got a request to RESUME the websocket at Shard ID %s.', self.id)
             coro = DiscordWebSocket.from_client(self._client, resume=True,
                                                               shard_id=self.id,
@@ -212,7 +212,7 @@ class AutoShardedClient(Client):
         try:
             coro = websockets.connect(gateway, loop=self.loop, klass=DiscordWebSocket, compression=None)
             ws = await asyncio.wait_for(coro, loop=self.loop, timeout=180.0)
-        except Exception as e:
+        except Exception:
             log.info('Failed to connect for shard_id: %s. Retrying...', shard_id)
             await asyncio.sleep(5.0, loop=self.loop)
             return (await self.launch_shard(gateway, shard_id))
@@ -265,7 +265,7 @@ class AutoShardedClient(Client):
 
         while True:
             pollers = [shard.get_future() for shard in self.shards.values()]
-            done, pending = await asyncio.wait(pollers, loop=self.loop, return_when=asyncio.FIRST_COMPLETED)
+            done, _ = await asyncio.wait(pollers, loop=self.loop, return_when=asyncio.FIRST_COMPLETED)
             for f in done:
                 # we wanna re-raise to the main Client.connect handler if applicable
                 f.result()

discord/state.py

@@ -240,7 +240,7 @@ class ConnectionState:
         return guild
 
     def chunks_needed(self, guild):
-        for chunk in range(math.ceil(guild._member_count / 1000)):
+        for _ in range(math.ceil(guild._member_count / 1000)):
             yield self.receive_chunk(guild.id)
 
     def _get_guild_channel(self, data):
@@ -423,7 +423,7 @@ class ConnectionState:
             emoji = self._upgrade_partial_emoji(emoji)
             try:
                 reaction = message._remove_reaction(data, emoji, raw.user_id)
-            except (AttributeError, ValueError) as e: # eventual consistency lol
+            except (AttributeError, ValueError): # eventual consistency lol
                 pass
             else:
                 user = self._get_reaction_user(message.channel, raw.user_id)

discord/utils.py

@@ -281,7 +281,7 @@ async def async_all(gen, *, check=_isawaitable):
     return True
 
 async def sane_wait_for(futures, *, timeout, loop):
-    done, pending = await asyncio.wait(futures, timeout=timeout, loop=loop)
+    _, pending = await asyncio.wait(futures, timeout=timeout, loop=loop)
 
     if len(pending) != 0:
         raise asyncio.TimeoutError()

discord/voice_client.py

@@ -132,7 +132,6 @@ class VoiceClient:
     async def start_handshake(self):
         log.info('Starting voice handshake...')
 
-        key_id, key_name = self.channel._get_voice_client_key()
         guild_id, channel_id = self.channel._get_voice_state_pair()
         state = self._state
         self.main_ws = ws = state._get_websocket(guild_id)