run_tests.py should throw errors if modules are not importable. (#27)
run_tests.py should throw errors if modules are not importable. (#27)

* Fixed run_tests script to throw errors from import_module fails. Pre-filtered out python library modules for backwards compatibility with developers using virtual environments

* greatly simplified logic

* Rolled back extra modifications to analyzer
world-federation-of-advertisers/cardinality_estimation_evaluation_framework,world-federation-of-advertisers/cardinality_estimation_evaluation_framework