What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:
/kind bug
/kind bug
/kind task
/kind feature

What does this PR do / why do we need it:
Python class definition has syntax error,we need to add ':' after class name.

Which issue(s) this PR fixes:

Fixes ##I4A9H5:Fix python syntax errors when defining class

Special notes for your reviewers:
NA