It's not really an overstatement as much as completely incorrect and misleading.
Yes, 2to3, tox, etc exist, but of course in practice it's not necessarily that simple, even for bigger libraries. Take Airbnb's Airflow for example.
Yes, 2to3, tox, etc exist, but of course in practice it's not necessarily that simple, even for bigger libraries. Take Airbnb's Airflow for example.
Yes, there are some python2 features that work differently in python3. But python3 has existed for a decade now, and there aren't real benefits to using forward-incompatible methods. Writing code that won't work in both is a mistake.