SikuliLibrary not working on Ubuntu-20.04 (Docker)

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Hi, We are trying to run SikuliLibrary on the docker container but we are getting this error

> WARN ] Test get_keyword_names failed! Connecting remote server at http://127.0.0.1:39207/ failed: [ WARN ] Test get_keyword_names failed! Connecting remote server at http://127.0.0.1:39207/ failed: [ ERROR ] Error in file '/webmail/Page_Objects/Login_PO.robot' on line 5: Initializing library 'SikuliLibrary' with no arguments failed: Failed to get_keyword_names! Traceback (most recent call last): File "/usr/local/lib/python3.8/dist-packages/SikuliLibrary/sikuli.py", line 54, in __init__ self.start_sikuli_process(port) File "/usr/local/lib/python3.8/dist-packages/SikuliLibrary/sikuli.py", line 93, in start_sikuli_process self.remote = self._connect_remote_library() File "/usr/local/lib/python3.8/dist-packages/SikuliLibrary/sikuli.py", line 208, in _connect_remote_library self._test_get_keyword_names(remote) File "/usr/local/lib/python3.8/dist-packages/SikuliLibrary/sikuli.py", line 2[25](https://gitlab.one.com/qa-india/webmail/-/jobs/1410801#L25), in _test_get_keyword_names raise RuntimeError('Failed to get_keyword_names!') RuntimeError: Failed to get_keyword_names! Test Cases.Login :: This file would contain Test_Cases related to login fo

Start by reproducing the Ubuntu 20.04 Docker failure at SikuliLibrary/sikuli.py, especially initialization at lines 54 and 93 and remote connection handling around line 208. Confirm whether the remote server at 127.0.0.1:39207 fails during get_keyword_names, then verify that the library initializes successfully in the reported container.

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