Rename abc.Callable to abc.Connectable.

discord/abc.py

@@ -798,7 +798,7 @@ class Messageable(metaclass=abc.ABCMeta):
         return HistoryIterator(self, limit=limit, before=before, after=after, around=around, reverse=reverse)
 
 
-class Callable(metaclass=abc.ABCMeta):
+class Connectable(metaclass=abc.ABCMeta):
     __slots__ = ()
 
     @abc.abstractmethod

discord/channel.py

@@ -297,7 +297,7 @@ class TextChannel(discord.abc.Messageable, discord.abc.GuildChannel, Hashable):
                     count += 1
                     ret.append(msg)
 
-class VoiceChannel(discord.abc.Callable, discord.abc.GuildChannel, Hashable):
+class VoiceChannel(discord.abc.Connectable, discord.abc.GuildChannel, Hashable):
     """Represents a Discord guild voice channel.
 
     Supported Operations: