some code cleanup

[dvolgyes]

Hi,

It would make the code a bit more readable, if you would apply some PEP8 guidelines.
I quite recommend autopep8 which can make changes automatically,
e.g. removing non-empty blank lines (blank lines with only whitespaces).

I also quite recommend flake8 which can check the code quality for frequent mistakes,
or non-pythonic idioms, especially with bugbear plugin.
See:
autopep8: https://pypi.python.org/pypi/autopep8
flake8: https://pypi.python.org/pypi/flake8
flake8-bugbear: https://pypi.python.org/pypi/flake8-bugbear

(In general, I did not find anything problematic, it is just style,
but it also does not take more than a few minutes to make it tidy.)

[hgueziri]

Hi David,

Thank you for taking the time to read the code and give feedback. It is extremely appreciated and useful since I am not that used to pep8 style.

I gave it a look and formatted the code with autopep8.