Fix prefix so that tags are properly detected.

5 jobs for prrt-0.0.2 in 55 seconds (queued for 2 seconds)
latest
Status Name Job ID Coverage
  Build
passed build_prrt #1089

00:00:33

 
  Test
passed test_prrt_functional #1091

00:00:01

passed test_prrt_mem #1090

00:00:15

 
  Deploy
passed package_pypi #1092

00:00:05

 
  Clean
passed clean_pypirc #1093

00:00:01