Allow tags fix for Django 2.0

[madisvain]

This needs to be checked as I'm not 100% sure how the args and kwargs are meant to be rendering.

[kedare]

I think you need to make your your PR pass the tests before it can be merged, right now it's breaking compatibility with Python 2.7

[janezkranjc]

I think the problem is that Django 2.0 gets installed on python 2.7? am I reading the travis results correctly? Django 2.0 is not supported on python 2.7

[janezkranjc]

I believe your tests are broken for python 2.7, it has nothing to do with this PR.

[janezkranjc]

@jezdez can you please retrigger the tests and consider merging this pull request, it would be greatly appreciated.

[jezdez]

@janezkranjc See my comment about rebasing on top of master, rerunning the tests won't be enough to fix it without the changes in master.

[codecov[bot]]

Codecov Report

Merging #40 into master will increase coverage by 0.16%. The diff coverage is 22.22%.

@@            Coverage Diff             @@
##           master      #40      +/-   ##
==========================================
+ Coverage   72.58%   72.74%   +0.16%     
==========================================
  Files           9        9              
  Lines         434      433       -1     
  Branches       54       54              
==========================================
  Hits          315      315              
+ Misses        114      113       -1     
  Partials        5        5

Impacted Files	Coverage Δ
django_celery_monitor/admin.py	53.71% <16.66%> (ø)	:arrow_up:
django_celery_monitor/utils.py	66.12% <33.33%> (+1.04%)	:arrow_up:

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[madisvain]

@jezdez should be good to go now. sorry for the late response.

[pieterdd]

If #60 gets approved and merged, this issue can probably be closed.

[eigenmannmartin]

@jezdez what is your timeline about this PR?

keep that great work up!