Reverting single file in SVN to a particular revision

Question

I have a file as shown below in an SVN repo that I would like to revert to a previous version. What is the way to do this in SVN? I want only downgrade this particular file to a

Answer 1

If you just want the old file in your working copy:

svn up -r 147 myfile.py

If you want to rollback, see this "How to return to an older version of our code in subversion?".