stop catching ImportError after having dropped Python 2 compat

[evgeni]

• stop guarding typing imports, we're Python3-only now
• always use urllib.parse, Python2 is no more
• always use json.decoder, Python2 is no more

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 93.42%. Comparing base (8a809a2) to head (b535d9e).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
apypie/action.py	50.00%	1 Missing ⚠️
apypie/api.py	80.00%	1 Missing ⚠️
apypie/resource.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #182      +/-   ##
==========================================
+ Coverage   91.03%   93.42%   +2.38%     
==========================================
  Files          10       10              
  Lines         558      532      -26     
==========================================
- Hits          508      497      -11     
+ Misses         50       35      -15     

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[evgeni]

theforeman/foreman-ansible-modules#1796 should fix the vendoring issue