add try catch

backend.py

@@ -71,7 +71,10 @@ def send_single(input_model_vanilla, address: str):
         address, headers=HEADERS, data=input_model_vanilla.encode("utf-8")
     )
 
-    response = promise.result()  # resolve immediately
+    try:
+        response = promise.result()  # resolve ASAP
+    except Exception as e:
+        return f"{e}"
 
     status = response.status_code
 
@@ -110,6 +113,11 @@ def send_spam(address: str):
         promises.append(SESSION.post(address, headers=HEADERS, data=input_data))
 
     for promise in promises:
+        try:
+            response = promise.result()  # resolve ASAP
+        except Exception as e:
+            return f"{e}"
+
         response = promise.result()
 
         response_text = json.loads(response.text)