Fix unnecessary warning
authorMagnus Hagander <magnus@hagander.net>
Fri, 23 Mar 2018 12:54:22 +0000 (13:54 +0100)
committerMagnus Hagander <magnus@hagander.net>
Fri, 23 Mar 2018 12:54:22 +0000 (13:54 +0100)
commitf49e1b870b676d168115bf5f16057edce1c0fc36
treeb0a675ca440e0c84c1e1d1380056a8167ce35179
parent91b7e0ce5a014132c2086a8d685121402384f793
Fix unnecessary warning

null=False means nothing on a ManyToMany, new django warns about it.
pgweb/core/models.py