tests/test_advanced_image_processing.py: Set number of threads for SPAMS to 1.
tests/test_advanced_image_processing.py: Set number of threads for SPAMS to 1.

DudLab/nanshe,jakirkham/nanshe,jakirkham/nanshe,nanshe-org/nanshe,DudLab/nanshe,nanshe-org/nanshe