* Fix imports as they're namespace packages * Fix import for scripts/validate_filenames.py * Fix path in doctest
* Tabs --> spaces in quine_mc_cluskey.py * fixup! Format Python code with psf/black push
* Create circular_queue.py Circular Queue implementation using python list with fixed range. * Update circular_queue.py * Update circular_queue.py * Update circular_queue.py * Update circular_queue.py * Update circular_queue.py * doctest: Catch "Exception: UNDERFLOW" * Deal with the fluent interface for cq.enqueue() * Test the fluent interface