Update app.py

app.py

@@ -45,7 +45,7 @@ def handle_request(path=""):
     proxied_response.status_code = response.status_code
     proxied_response.headers["Content-Type"] = "text/html"
     if didReply:
-        ongoing_requests.remove(ip)
+        del ongoing_requests[ip]
         decrement_request_count_task(ip)
     
     return proxied_response