Make nettacker.py executable

[tristanlatr]

Checklist

• I have followed the Contributor Guidelines.
• The code has been thoroughly tested in my local development environment with flake8 and pylint.
• The code is Python 3 compatible.
• The code follows the PEP8 styling guidelines with 4 spaces indentation.
• This Pull Request relates to only one issue or only one feature
• I have referenced the corresponding issue number in my commit message
• I have added the relevant documentation.
• My branch is up-to-date with the Upstream master branch.

Changes proposed in this pull request

Make the entry point executable

[Ali-Razmjoo]

can't see any changes, is it ready for review?

[tristanlatr]

The changes is that I’ve made the nettacker.py file executable. So there is no diff, indeed.

[Ali-Razmjoo]

I think we can think of alternative ways in the next version and keep it in scripting mode. perhaps adding the nettacker in OS executables' paths.