tests/sitecustomize.py

demande-import-test: use `wsgiref` instead of `telnetlib` for testing

The `telnetlib` module has been dropped in 3.13. The `wsgiref` module fit the
same purpose of being obscure and not imported yet.

import os

if os.environ.get('COVERAGE_PROCESS_START'):
    try:
        import coverage
        import uuid

        covpath = os.path.join(
            os.environ['COVERAGE_DIR'], 'cov.%s' % uuid.uuid1()
        )
        cov = coverage.coverage(data_file=covpath, auto_data=True)
        cov._warn_no_data = False
        cov._warn_unimported_source = False
        cov.start()
    except ImportError:
        pass