Missing library for unit-tests

[HamedBabaei]

Dear @amirrezaalasti, Please take a look at this error:

 def test_pipeline_resource_cleanup(complex_pipeline):
        """Test proper resource cleanup after pipeline execution."""
>       import psutil
E       ModuleNotFoundError: No module named 'psutil'

It seems that psutil is not installed, and how can we solve this issue without updating the ontoaligner requirements? i am aware that for testing it should be installed, however, we can not add libraries for installation that are not used inside the ontoaligner, so you might add it to only requirements.txt file of the library.

See #42 pull request for this!

[HamedBabaei]

You can also take a look at this action log: https://github.com/sciknoworg/OntoAligner/actions/runs/15411228300/job/43363464197?pr=42

[amirrezaalasti]

Dear @HamedBabaei, I’m now using gc and sys, which are built-in Python libraries, so we don’t need to use psutil anymore.