sct_deepseg_sc - Issue when input is .nii instead of .nii.gz (#1634, #1659)
sct_deepseg_sc - Issue when input is .nii instead of .nii.gz (#1634, #1659)

Cast np.memmap into np.array when calling `center_of_mass()`.

Upstream issue numpy/numpy#667 is fixed but we bundle an old numpy version.

Former-commit-id: 75a7408fd699da5966f5ef18d7188403145fa4fb
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox