Small change, should work now

src/lbmpy/partially_saturated_cells.py

@@ -18,7 +18,7 @@ class PSMConfig:
     Object velocity field for PSM 
     """
 
-    sc: int = 1
+    solid_collision: int = 1
     """
     Solid collision option for PSM
     """
@@ -65,7 +65,7 @@ def get_psm_solid_collision_term(collision_rule, psm_config, particle_per_cell_c
     for i, (eqFluid, eqSolid, f, offset) in enumerate(
             zip(equilibrium_fluid, equilibrium_solid, pre_collision_pdf_symbols, stencil)):
         inverse_direction_index = stencil.stencil_entries.index(stencil.inverse_stencil_entries[i])
-        if psm_config.sc == 1:
+        if psm_config.solid_collision == 1:
             solid_collision = fraction_field.center(particle_per_cell_counter) * (
                     (
                             pre_collision_pdf_symbols[inverse_direction_index]
@@ -73,12 +73,12 @@ def get_psm_solid_collision_term(collision_rule, psm_config, particle_per_cell_c
                     )
                     - (f - eqSolid)
             )
-        elif psm_config.sc == 2:
+        elif psm_config.solid_collision == 2:
             # TODO get relaxation rate vector from method and use the right relaxation rate [i]
             solid_collision = fraction_field.center(particle_per_cell_counter) * (
                     (eqSolid - f) + (1.0 - method.relaxation_rates[0]) * (f - eqFluid)
             )
-        elif psm_config.sc == 3:
+        elif psm_config.solid_collision == 3:
             solid_collision = fraction_field.center(particle_per_cell_counter) * (
                     (
                             pre_collision_pdf_symbols[inverse_direction_index]