[py] Feature is a numpy array instead of a list

Bypassed the assert of feature needing to be a list of gabor-jet.
(Allowed numpy.ndarray)
4 jobs for facecrop_as_functools in 15 minutes and 34 seconds (queued for 2 seconds)
Name Stage Failure
failed
build_linux_37 Build
TOTAL                                                         1551    263    83%
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Ran 39 tests in 173.248s

FAILED (SKIP=10, failures=5)
Tests failed for bob.bio.face-4.0.3b0-py37h334142e_0.conda - moving package to /scratch/builds/bob/bob.bio.face/miniconda/conda-bld/broken
WARNING:conda_build.build:Tests failed for bob.bio.face-4.0.3b0-py37h334142e_0.conda - moving package to /scratch/builds/bob/bob.bio.face/miniconda/conda-bld/broken
TESTS FAILED: bob.bio.face-4.0.3b0-py37h334142e_0.conda
ERROR: Job failed: exit code 1
failed
build_macosx_36 Build
TOTAL                                                         1551    263    83%
----------------------------------------------------------------------
Ran 39 tests in 266.349s

FAILED (SKIP=10, failures=5)
Tests failed for bob.bio.face-4.0.3b0-py36h334142e_0.conda - moving package to /Users/gitlab/builds/f6f95b82/0/bob/bob.bio.face/miniconda/conda-bld/broken
WARNING:conda_build.build:Tests failed for bob.bio.face-4.0.3b0-py36h334142e_0.conda - moving package to /Users/gitlab/builds/f6f95b82/0/bob/bob.bio.face/miniconda/conda-bld/broken
TESTS FAILED: bob.bio.face-4.0.3b0-py36h334142e_0.conda
ERROR: Job failed: exit status 1
failed
build_macosx_37 Build
TOTAL                                                         1551    263    83%
----------------------------------------------------------------------
Ran 39 tests in 268.375s

FAILED (SKIP=10, failures=5)
Tests failed for bob.bio.face-4.0.3b0-py37h334142e_0.conda - moving package to /Users/gitlab/builds/f6f95b82/1/bob/bob.bio.face/miniconda/conda-bld/broken
WARNING:conda_build.build:Tests failed for bob.bio.face-4.0.3b0-py37h334142e_0.conda - moving package to /Users/gitlab/builds/f6f95b82/1/bob/bob.bio.face/miniconda/conda-bld/broken
TESTS FAILED: bob.bio.face-4.0.3b0-py37h334142e_0.conda
ERROR: Job failed: exit status 1
failed
build_linux_36 Build
TOTAL                                                         1551    263    83%
----------------------------------------------------------------------
Ran 39 tests in 178.105s

FAILED (SKIP=10, failures=5)
Tests failed for bob.bio.face-4.0.3b0-py36h334142e_0.conda - moving package to /scratch/builds/bob/bob.bio.face/miniconda/conda-bld/broken
WARNING:conda_build.build:Tests failed for bob.bio.face-4.0.3b0-py36h334142e_0.conda - moving package to /scratch/builds/bob/bob.bio.face/miniconda/conda-bld/broken
TESTS FAILED: bob.bio.face-4.0.3b0-py36h334142e_0.conda
ERROR: Job failed: exit code 1