... which were making other, innocent, tests, fail.

Plus remove a spurious unittest.DEBUG which was making the output noisy.

Fix incorrect reference to StringIO

This was introduced in 4f2f5171

bump version

* add some doc about wtf this thing does
* pin Twisted to < 18.4
* add explicit dep on six (fixes #3089)

* When creating a new event, cap its depth to 2^63 - 1
* When receiving events, reject any without a sensible depth

As per https://docs.google.com/document/d/1I3fi2S-XnpO45qrpCsowZv8P8dHcNZ4fsBsbOW7KABI

fixes #3135

Signed-off-by: Will Hunt <will@half-shot.uk>

add guard for None on purge_history api

remove duplicates from groups tables

Remove redundant call to preserve_fn

Trap exceptions thrown within run_in_background

run config tests on py3

Signed-off-by: Adrian Tschira <nota@notafile.com>

Make event properties raise AttributeError instead

make imports local

move httplib import to six

Move more xrange to six

Don't yield in list comprehensions

Open config file in non-bytes mode

Open certificate files as bytes

Replace stringIO imports with six

Add py3 tests to tox with folders that work

submit_event_for_as doesn't return a deferred anyway, so this is pointless.

more bytes strings

add missing comma

Use run_in_background in preference to preserve_fn

Construct HMAC as bytes on py3