Sourcery refactoring id:
Replaces lists created with
x = list()
x = 
The most concise and Pythonic way to create a list is to use the
This fits in with the way we create lists with elements, saving a bit of mental energy that might be taken up with thinking about two different ways of creating lists.
x = ['first', 'second']
Doing things this way has the added advantage of being a nice little performance improvement.
Here are the timings before and after the change:
$ python3 -m timeit "x = list()" 5000000 loops, best of 5: 63.3 nsec per loop
$ python3 -m timeit "x = " 20000000 loops, best of 5: 15.8 nsec per loop