Update api_usage.py

api_usage.py

@@ -516,9 +516,9 @@ def check_mistral_quota(key):
             'max_tokens': -1
         }
         rq = requests.post(url, headers=headers, json=data)
-        if rq.status_code == 401 or rq.status_code == 429:
-            return False
-        return True
+        if rq.status_code == 422:
+            return True
+        return False
     except:
         return "Error while making request."