fix: lint

Author: prostraction

examples/echo.py

@@ -6,11 +6,11 @@
 
 @bot.router.message()
 def message_handler(notification: Notification) -> None:
-    if "@g.us" in notification.get_chat():
+    if "-" in notification.get_chat():
         print("Incoming message", notification.get_id_message(), "in group chat", notification.get_chat(), "from", notification.get_sender())
         notification.answer("Hello, group!")
         # Add your implementation
-    if "@c.us" in notification.get_chat():
+    else:
         print("Incoming message", notification.get_id_message(), "in contact chat", notification.get_chat())
         notification.answer("Hello, contact!")
          # Add your implementation

examples/groups_filter.py

@@ -121,20 +121,6 @@ def answer_with_file(
                 chat, file, file_name, caption, quoted_message_id
             )
 
-    def answer_with_poll(
-            self,
-            message: str,
-            options: List[Dict[str, str]],
-            multiple_answers: Optional[bool] = None,
-            quoted_message_id: Optional[str] = None
-    ) -> Optional[Response]:
-        chat = self.get_chat()
-        if chat:
-            return self.api.sending.sendPoll(
-                chat, message, options, multiple_answers, quoted_message_id
-            )
-
-
 HandlerType = Callable[[Notification], Any]