small fix

4 jobs for <span class="ref-name">torch_cpu</span> in 16 minutes and 15 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
canceled #163839
docker
build_linux

00:16:15

failed #163840
macosx
build_macosx

00:08:44

failed #163835
docker
build_linux

00:09:50

failed #163836
macosx
build_macosx

00:08:28

 
Name Stage Failure
failed
build_macosx Build
    notest=notest,
File "/Users/gitlab/builds/b6d3167a/0/bob/bob.conda/miniconda/lib/python3.7/site-packages/conda_build/build.py", line 1399, in build
raise e
File "/Users/gitlab/builds/b6d3167a/0/bob/bob.conda/miniconda/lib/python3.7/site-packages/conda_build/build.py", line 1390, in build
channel_urls=tuple(m.config.channel_urls))
File "/Users/gitlab/builds/b6d3167a/0/bob/bob.conda/miniconda/lib/python3.7/site-packages/conda_build/environ.py", line 751, in get_install_actions
raise DependencyNeedsBuildingError(exc, subdir=subdir)
conda_build.exceptions.DependencyNeedsBuildingError: Unsatisfiable dependencies for platform osx-64: {'pytorch-cpu'}
ERROR: Job failed: exit status 1