Allow histology patches to be extracted without ground truth labels

[sarthakpati]

Fixes #656

Proposed Changes

• patch miner can now be used without an explicit Label header
• added printing traceback in case of CLI error

Checklist

• I have read the CONTRIBUTING guide.
• My PR is based from the current GaNDLF master .
• Non-breaking change (does not break existing functionality): provide as many details as possible for any breaking change.
• Function/class source code documentation added/updated.
• Code has been blacked for style consistency.
• If applicable, version information has been updated in GANDLF/version.py.
• If adding a git submodule, add to list of exceptions for black styling in pyproject.toml file.
• Usage documentation has been updated, if appropriate.
• History has been updated, if appropriate.
• Tests added or modified to cover the changes; if coverage is reduced, please give explanation.
• If customized dependency installation is required (i.e., a separate pip install step is needed for PR to be functional), please ensure it is reflected in all the files that control the CI, namely: python-test.yml, and all docker files [1,2,3].

[github-actions]

MLCommons CLA bot All contributors have signed the MLCommons CLA ✍️ ✅

[codecov]

Codecov Report

Merging #657 (f2787c6) into master (b6dc393) will increase coverage by 0.00%.
The diff coverage is 76.92%.

❗ Current head f2787c6 differs from pull request most recent head fb9dc83. Consider uploading reports for the commit fb9dc83 to get more accurate results

@@           Coverage Diff           @@
##           master     #657   +/-   ##
=======================================
  Coverage   94.33%   94.33%           
=======================================
  Files         114      114           
  Lines        7679     7682    +3     
=======================================
+ Hits         7244     7247    +3     
  Misses        435      435           

Flag	Coverage Δ
unittests	94.33% <76.92%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
GANDLF/cli/patch_extraction.py	89.13% <75.00%> (+0.49%)	⬆️
GANDLF/utils/write_parse.py	96.59% <75.00%> (+0.03%)	⬆️
GANDLF/data/patch_miner/opm/patch_manager.py	91.19% <100.00%> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[Geeks-Sid]

One of the tests is randomly failing. Can we re-un?

[sarthakpati]

One of the tests is randomly failing. Can we re-un?

Ah, stochasticity, though art indeed a fickle mistress. Re-run initiated.