Add new content type "poll"

__init__.py

@@ -0,0 +1 @@
+from .telepot import *

telepot/__init__.py

@@ -18,7 +18,7 @@
 from . import exception
 
 
-__version_info__ = (12, 7)
+__version_info__ = (12, 8)
 __version__ = '.'.join(map(str, __version_info__))
 
 
@@ -65,15 +65,15 @@ def _find_first_key(d, keys):
     for k in keys:
         if k in d:
             return k
-    raise KeyError('No suggested keys %s in %s' % (str(keys), str(d)))
+    # raise KeyError('No suggested keys %s in %s' % (str(keys), str(d)))
 
 
 all_content_types = [
     'text', 'audio', 'document', 'game', 'photo', 'sticker', 'video', 'voice', 'video_note',
     'contact', 'location', 'venue', 'new_chat_member', 'left_chat_member', 'new_chat_title',
     'new_chat_photo',  'delete_chat_photo', 'group_chat_created', 'supergroup_chat_created',
     'channel_chat_created', 'migrate_to_chat_id', 'migrate_from_chat_id', 'pinned_message',
-    'new_chat_members', 'invoice', 'successful_payment'
+    'new_chat_members', 'invoice', 'successful_payment', 'poll', 'my_chat_member'
 ]
 
 def glance(msg, flavor='chat', long=False):

telepot/loop.py

@@ -108,7 +108,11 @@ def _extract_message(update):
                                    'inline_query',
                                    'chosen_inline_result',
                                    'shipping_query',
-                                   'pre_checkout_query'])
+                                   'pre_checkout_query',
+                                   'poll',
+                                  'my_chat_member'])
+    if not key:
+        return key, update
     return key, update[key]
 
 def _infer_handler_function(bot, h):