forked from CGM_Public/pretix_original
* add basic instrumentation possibilities to pretix * make tabs to spaces * apply flake8 * implement upstreams suggestions, round 1 * adjust naming of redis-connection * address noredis * add view for metrics * implement HTTP basic auth in front of metrics-endpoint * rename labelset * make flake8-clean * implement upstreams suggestions, round 2 * correct minor slipups * fix missing return * let isort add an empty line * implement test for counter * implement upstream suggestions, round 3 * correct typo * implement first test for view * finish view-test * fix deprecated keyword * implement upstream-suggestions, round 4 * implement test for gauge * test exceptions as well * add db-decorator