repro-coverage-issue-with-pyspark-udf

An attempt to repro nedbat/coveragepy#658

Steps to repro issue

1. Clone repo
2. docker-compose up -d
3. docker attach protonai-pyspark-container
4. pip install pytest==7.0.1
5. pip install coverage==6.2
6. cd /home/
7. coverage run --source=./src -m pytest tests/test.py --disable-pytest-warnings
8. coverage report

Expected Results

Expecting the code in the user-defined function to be "seen" by coverage and therefore have 100% code coverage.

Actual Results

# coverage report
Name          Stmts   Miss  Cover
---------------------------------
src/code.py      11      5    55%
---------------------------------
TOTAL            11      5    55%