Fixate DLite-Python and tripper so that nothing fails in master.

[francescalb]

Description:

Type of change:

• Bug fix.
• New feature.
• Documentation update.

Checklist for the reviewer:

This checklist should be used as a help for the reviewer.

• Is the change limited to one issue?
• Does this PR close the issue?
• Is the code easy to read and understand, including clearly named variables?
• Do all new feature have an accompanying new test?
• Has the documentation been updated as necessary?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Report is 19 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #330   +/-   ##
=========================================
  Coverage          ?   88.30%           
=========================================
  Files             ?       15           
  Lines             ?      607           
  Branches          ?        0           
=========================================
  Hits              ?      536           
  Misses            ?       71           
  Partials          ?        0           

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[CasperWA]

Cheers - this was my initial solution to things as well, and has been everywhere else.

For future reference, to whomever comes around here again to check what this fix is related to, it is this: #327. Note, this PR is a temporary fix. However, once SINTEF/dlite#1087 has been fixed (and new releases are done for both DLite and tripper), the issue should be resolved.