zalando-stups / zign / 281

84%

master: 84%

Pull #62

travis-ci

Fix retries for ports that are in use (closes #38)

Previously, no exception was thrown if the server port was already in
use. Therefore, the port assignment code in `zign.api` did not work as
expected.

Disallowing address re-use in `zign.oauth2.ClientRedirectServer` fixes
this behavior.

Additional changes:

- Fix or ignore flake8 issues
- Add test for zign.oauth2 module

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