fix(lolzteam): add type conversion and validation checks

tgbot/services/api_lolzteam.py

@@ -104,7 +104,12 @@ class LolzteamAPI:
         status, response = await self._request("me", method="GET")
         merchant_valid = False
 
-        if status and "errors" not in response and self.merchant_id:
+        if (
+            status
+            and "errors" not in response
+            and "balances" in response["user"]
+            and self.merchant_id
+        ):
             balances = response["user"]["balances"]
 
             for balance in balances:
@@ -125,7 +130,7 @@ class LolzteamAPI:
         elif status and "errors" not in response and not self.merchant_id:
             return True, ded(
                 f"""
-                    <b>🟢 Lolzteam полностью функционирует ✅</b>
+                    <b>🟢 Lolzteam функционирует ✅</b>
                     ➖➖➖➖➖➖➖➖➖➖
                     ▪️ Токен: <code>{self.token}</code>
                     ▪️ Айди: <code>{response['user']['user_id']}</code>