Merge pull request 'fix' (#8) from master into dev

Reviewed-on: #8

bot.py

@@ -64,7 +64,7 @@ class Core(TasksHandlerMixin):
         self.send_message('🤖 Поиски собеседника продолжаются')
 
     def send_message(self, text, chat_id=None, reply_markup=None, remove_keyboard=True):
-        if not text:
+        if text is None:
             return
         if reply_markup is None and remove_keyboard:
             reply_markup = ReplyKeyboardRemove()
@@ -121,7 +121,7 @@ class Core(TasksHandlerMixin):
         if self.message.video_note:
             self.send(chat_to_send, 'send_video_note', data=self.message.video_note.file_id)
         if self.message.animation:
-            self.send(chat_to_send, 'send_animation', data=self.message.animation.file_id)
+            self.send(chat_to_send, 'send_animation', animation=self.message.animation.file_id)
         self.send_message(self.message_text, chat_to_send)
 
     def start_new_dialog(self, chat_ids):