isct_test_ants.py: Replaced logger with printv (#2230)
isct_test_ants.py: Replaced logger with printv (#2230)

Fixes #2229

Former-commit-id: f062ca24aeeab764f52886067ac4b4bd4c1b0b65
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox