fix: mirtk.subprocess module for Python 3 [Applications]
fix: mirtk.subprocess module for Python 3 [Applications]

BioMedIA/MIRTK,BioMedIA/MIRTK,BioMedIA/MIRTK,BioMedIA/MIRTK,schuhschuh/MIRTK,schuhschuh/MIRTK,schuhschuh/MIRTK,schuhschuh/MIRTK