Code review comment for lp://staging/~markgrandi/bzr/gpg_devttynotfound_fix

Failed on PQM:

 ...
 File "/home/pqm/pqm-workdir/srv/2.5/bzrlib/gpg.py", line 193
     '-u', key '--no-tty']
                        ^
SyntaxError: invalid syntax

Wants a comma after key there.