Insights registration fails with an error "IDNAError: The label [] is not a valid A-label"

Solution Verified - Updated -

Issue

  • Python errors when running insights-client commands

  • Insights registration fails with an error:

      File "/usr/lib/python2.7/site-packages/idna/core.py", line 265, in alabel
    raise IDNAError('The label {0} is not a valid A-label'.format(label))
IDNAError: The label [] is not a valid A-label

Environment

  • Red Hat® Insights
  • Red Hat Enterprise Linux® 6.10+ and 7.5+
  • Red Hat Satellite 6.5 and later

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