python connectionreseterror: [winerror 10054] an existing connection was forcibly closed by the remote host

there are many causes such as

1. The network link between server and client may be temporarily going down.
2. running out of system resources.
3. sending malformed data.

To examine the problem in detail, you can use Wireshark.
or you can just re-request or re-connect again.

Here is what the above code is Doing:
1. It’s checking if the server is up.
2. It’s checking if the client is up.
3. It’s checking if the network link between server and client is up.
4. It’s checking if the system resources are up.
5. It’s checking if the data is malformed.