ingestion: Revert removal of imports workaround, fixes #2532

[abhidg]

• Revert "Test removal of import workaround. Tests still passed locally... Replace Python print statements with logging to StreamHandler #2319"
• Revert "Remove the imports hack in the rest of the parsers Replace Python print statements with logging to StreamHandler #2319"
• ingestion(logging): addHandler() requires argument
• ingestion: Change path to make pytest pass
• ingestion: Set logging level to INFO

[iamleeg]

Thanks for reverting these changes @abhidg!

The ideal solution to finding these packages reliably is to use setuptools and install them with pip/poetry in the target environment. I wish I'd done that now :-(