[lint] Remove redundant paranthesis

Remove redundant parenthisis around await expressions.  Left over from
f25091ef.

discord/ext/commands/bot.py

@@ -340,7 +340,7 @@ class BotBase(GroupMixin):
         if len(data) == 0:
             return True
 
-        return (await discord.utils.async_all(f(ctx) for f in data))
+        return await discord.utils.async_all(f(ctx) for f in data)
 
     async def is_owner(self, user):
         """Checks if a :class:`.User` or :class:`.Member` is the owner of
@@ -895,7 +895,7 @@ class BotBase(GroupMixin):
         if ctx.command is not None:
             self.dispatch('command', ctx)
             try:
-                if (await self.can_run(ctx, call_once=True)):
+                if await self.can_run(ctx, call_once=True):
                     await ctx.command.invoke(ctx)
             except CommandError as exc:
                 await ctx.command.dispatch_error(ctx, exc)

discord/ext/commands/core.py

@@ -349,7 +349,7 @@ class Command:
             argument = quoted_word(view)
         view.previous = previous
 
-        return (await self.do_conversion(ctx, converter, argument, param))
+        return await self.do_conversion(ctx, converter, argument, param)
 
     async def _transform_greedy_pos(self, ctx, param, required, converter):
         view = ctx.view
@@ -514,7 +514,7 @@ class Command:
         if not self.enabled:
             raise DisabledCommand('{0.name} command is disabled'.format(self))
 
-        if not (await self.can_run(ctx)):
+        if not await self.can_run(ctx):
             raise CheckFailure('The check functions for command {0.qualified_name} failed.'.format(self))
 
     async def call_before_hooks(self, ctx):
@@ -793,7 +793,7 @@ class Command:
         ctx.command = self
 
         try:
-            if not (await ctx.bot.can_run(ctx)):
+            if not await ctx.bot.can_run(ctx):
                 raise CheckFailure('The global check functions for command {0.qualified_name} failed.'.format(self))
 
             cog = self.instance
@@ -812,7 +812,7 @@ class Command:
                 # since we have no checks, then we just return True.
                 return True
 
-            return (await discord.utils.async_all(predicate(ctx) for predicate in predicates))
+            return await discord.utils.async_all(predicate(ctx) for predicate in predicates)
         finally:
             ctx.command = original
 
@@ -1376,7 +1376,7 @@ def is_owner():
     """
 
     async def predicate(ctx):
-        if not (await ctx.bot.is_owner(ctx.author)):
+        if not await ctx.bot.is_owner(ctx.author):
             raise NotOwner('You do not own this bot.')
         return True
 

discord/ext/commands/formatter.py

@@ -228,7 +228,7 @@ class HelpFormatter:
 
             cmd = tup[1]
             try:
-                return (await cmd.can_run(self.context))
+                return await cmd.can_run(self.context)
             except CommandError:
                 return False
 
@@ -274,7 +274,7 @@ class HelpFormatter:
         """
         self.context = context
         self.command = command_or_bot
-        return (await self.format())
+        return await self.format()
 
     async def format(self):
         """Handles the actual behaviour involved with formatting.

discord/gateway.py

@@ -229,7 +229,7 @@ class DiscordWebSocket(websockets.client.WebSocketClientProtocol):
         except websockets.exceptions.ConnectionClosed:
             # ws got closed so let's just do a regular IDENTIFY connect.
             log.info('RESUME failed (the websocket decided to close) for Shard ID %s. Retrying.', shard_id)
-            return (await cls.from_client(client, shard_id=shard_id))
+            return await cls.from_client(client, shard_id=shard_id)
         else:
             return ws
 

discord/http.py

@@ -218,7 +218,7 @@ class HTTPClient:
     async def get_attachment(self, url):
         async with self._session.get(url) as resp:
             if resp.status == 200:
-                return (await resp.read())
+                return await resp.read()
             elif resp.status == 404:
                 raise NotFound(resp, 'attachment not found')
             elif resp.status == 403:

discord/iterators.py

@@ -98,7 +98,7 @@ class _MappedAsyncIterator(_AsyncIterator):
     async def next(self):
         # this raises NoMoreItems and will propagate appropriately
         item = await self.iterator.next()
-        return (await maybe_coroutine(self.func, item))
+        return await maybe_coroutine(self.func, item)
 
 class _FilteredAsyncIterator(_AsyncIterator):
     def __init__(self, iterator, predicate):

discord/shard.py

@@ -214,7 +214,7 @@ class AutoShardedClient(Client):
         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))
+            return await self.launch_shard(gateway, shard_id)
 
         ws.token = self.http.token
         ws._connection = self._connection
@@ -231,7 +231,7 @@ class AutoShardedClient(Client):
         except asyncio.TimeoutError:
             log.info('Timed out when connecting for shard_id: %s. Retrying...', shard_id)
             await asyncio.sleep(5.0, loop=self.loop)
-            return (await self.launch_shard(gateway, shard_id))
+            return await self.launch_shard(gateway, shard_id)
 
         # keep reading the shard while others connect
         self.shards[shard_id] = ret = Shard(ws, self)

discord/utils.py

@@ -271,7 +271,7 @@ def _parse_ratelimit_header(request):
 async def maybe_coroutine(f, *args, **kwargs):
     value = f(*args, **kwargs)
     if _isawaitable(value):
-        return (await value)
+        return await value
     else:
         return value