fixed max tokens

app.py

@@ -78,7 +78,7 @@ if uploaded_file is not None:
             }
           ],
           "stream": False,
-          "max_tokens": os.getenv('GIGA_MAX_TOKENS'),
+          "max_tokens": int(os.getenv('GIGA_MAX_TOKENS')),
         })
         
         headers_comp = {