You don't seem to understand that "language design hasn't changed" tends to preclude "progress made on the interpreter".
Python's warts have been fixed and will continue to be fixed. I cant really say the same for Ruby, especially for MRI.
Python's warts have been fixed and will continue to be fixed. I cant really say the same for Ruby, especially for MRI.
That being said, the two often occur together because changes are exciting and attract effort.