Fix support for instant invites.

discord/guild.py

@@ -729,7 +729,7 @@ class Guild(Hashable):
 
         Returns
         -------
-        list of :class:`Invite`
+        List[:class:`Invite`]
             The list of invites that are currently active.
         """
 
@@ -743,6 +743,42 @@ class Guild(Hashable):
 
         return result
 
+    @asyncio.coroutine
+    def create_invite(self, **fields):
+        """|coro|
+
+        Creates an instant invite.
+
+        Parameters
+        ------------
+        max_age : int
+            How long the invite should last. If it's 0 then the invite
+            doesn't expire. Defaults to 0.
+        max_uses : int
+            How many uses the invite could be used for. If it's 0 then there
+            are unlimited uses. Defaults to 0.
+        temporary : bool
+            Denotes that the invite grants temporary membership
+            (i.e. they get kicked after they disconnect). Defaults to False.
+        unique: bool
+            Indicates if a unique invite URL should be created. Defaults to True.
+            If this is set to False then it will return a previously created
+            invite.
+
+        Raises
+        -------
+        HTTPException
+            Invite creation failed.
+
+        Returns
+        --------
+        :class:`Invite`
+            The invite that was created.
+        """
+
+        data = yield from self._state.http.create_invite(self.id, **fields)
+        return Invite.from_incomplete(data=data, state=self._state)
+
     @asyncio.coroutine
     def create_custom_emoji(self, *, name, image):
         """|coro|