Also include unittest in mp_alg overriding.

py_tools_ds/geo/raster/reproject.py

@@ -874,9 +874,10 @@ class SensorMapGeometryTransformer3D(object):
         self.opts['nprocs'] = opts.get('nprocs', multiprocessing.cpu_count())
         self.mp_alg = ('bands' if self.lons.shape[2] >= opts['nprocs'] else 'tiles') if mp_alg == 'auto' else mp_alg
 
-        # override self.mp_alg if SensorMapGeometryTransformer3D is called by nosetests
+        # override self.mp_alg if SensorMapGeometryTransformer3D is called by nosetest or unittest
         is_called_by_nose = any(x[0].f_globals['__name__'].startswith('nose.') for x in inspect.stack())
-        if self.opts['nprocs'] > 1 and self.mp_alg == 'bands' and is_called_by_nose:
+        is_called_by_unittest = any(x[0].f_globals['__name__'].startswith('unittest.') for x in inspect.stack())
+        if self.opts['nprocs'] > 1 and self.mp_alg == 'bands' and (is_called_by_nose or is_called_by_unittest):
             warnings.warn("mp_alg='bands' causes deadlocks if SensorMapGeometryTransformer3D is called within a "
                           "nosetest. Using mp_alg='tiles'.")
             self.mp_alg = 'tiles'