Chris Van Heuveln 869fdcd7d4 nxos_acl: some platforms/versions raise when no ACLs are present (#55609) ... * `nxos_acl` may fail with `IndexError: list index out of range` while attempting to delete a non-existent ACL. The failure occurs when the `acl` var is an empty list. * nxos_acl: catch 501 'Structured output unsupported' when no ACLs present With some older image versions, `show ip access-list | json` will raise a 501 error indicating `'Structured output unsupported'` when there are no access-lists configured. This change turns off the `check_rc` and then looks for the failure condition. * Fix kwarg * Fix lint issues		2019-05-02 18:03:27 +05:30
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common