While installing 3 node HDP I am facing below error in spark client install.

[#1]

/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py:97: UnicodeWarning: Unicode unequal comparison failed to convert both arguments to Unicode - interpreting them as being unequal

  if content != old_content:

Please help me in it.

[#2 · Accepted solution]

Solved issue. Problem was with the disk space. I just stopped ambari server and done ambari server setup. And clicked on retry installation. It has completed successfully.