Add a reasonably tolerant .pylintrc and fix most pylint errors and
warnings.
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Your code has been rated at 9.78/10
Used:
$ flynt -a -tc . vppcfg
Execution time: 0.216s
Files checked: 24
Files modified: 13
Character count reduction: 632 (0.36%)
Per expression type:
Old style (`%`) expressions attempted: 209/211 (99.1%)
No `.format(...)` calls attempted.
No concatenations attempted.
F-string expressions created: 205
Ran an integration test before and after. No diffs.
