fix for deleted servers

cogs/poll.py

@@ -856,7 +856,10 @@ class Poll:
         self.server = self.bot.get_server(str(d['server_id']))
         self.channel = self.bot.get_channel(str(d['channel_id']))
         # self.author = await self.bot.get_user_info(str(d['author']))
-        self.author = self.server.get_member(d['author'])
+        if self.server:
+            self.author = self.server.get_member(d['author'])
+        else:
+            self.author = None
         self.name = d['name']
         self.short = d['short']
         self.anonymous = d['anonymous']

cogs/poll_controls.py

@@ -54,9 +54,10 @@ class PollControls:
                         if not p.open:
                             await self.bot.send_message(p.channel, 'This poll has reached the deadline and is closed!')
                             await p.post_embed(destination=p.channel)
-            except AttributeError:
+            except AttributeError as ae:
                 #Database not loaded yet
                 logger.warning("Attribute Error in close_polls loop")
+                logger.exception(ae)
                 pass
             except:
                 #Never break this loop due to an error