remove failing credit_grants API call (fix #163)

bot/openai_helper.py

@@ -282,19 +282,6 @@ class OpenAIHelper:
         num_tokens += 3  # every reply is primed with <|start|>assistant<|message|>
         return num_tokens
     
-    def get_grant_balance(self):
-        """Gets remaining grant balance for new users from OpenAI API.
-
-        :return: remaining grant balance
-        """
-        headers = {
-            "Authorization": f"Bearer {openai.api_key}"
-        }
-        response = requests.get("https://api.openai.com/dashboard/billing/credit_grants", headers=headers)
-        billing_data = json.loads(response.text)
-        balance = billing_data["total_available"]
-        return balance
-    
     def get_billing_current_month(self):
         """Gets billed usage for current month from OpenAI API.
 

bot/telegram_bot.py

@@ -118,9 +118,6 @@ class ChatGPTTelegramBot:
             text_budget += f"You have a remaining budget of ${budget:.2f} this month.\n"
         # add OpenAI account information for admin request
         if self.is_admin(update):
-            grant_balance = self.openai.get_grant_balance()
-            if grant_balance > 0.0:
-                text_budget += f"Your remaining OpenAI grant balance is ${grant_balance:.2f}.\n"
             text_budget += f"Your OpenAI account was billed ${self.openai.get_billing_current_month():.2f} this month."
         
         usage_text = text_current_conversation + text_today + text_month + text_budget