use of inheritance and test fix

Author: NiekWielders

autogalaxy/profiles/mass/dark/cnfw_mcr.py

@@ -2,12 +2,13 @@
 
 from autogalaxy.profiles.mass.dark.cnfw import (cNFW, cNFWSph)
 from autogalaxy.profiles.mass.dark.cnfw_mcr_scatter import (
+    cNFWMCRScatterLudlow,
     cNFWMCRScatterLudlowSph,
 )
 
 from autogalaxy.profiles.mass.dark import mcr_util
 
-class cNFWMCRLudlow(cNFW):
+class cNFWMCRLudlow(cNFWMCRScatterLudlow):
     def __init__(
         self,
         centre: Tuple[float, float] = (0.0, 0.0),
@@ -17,32 +18,16 @@ def __init__(
         redshift_object: float = 0.5,
         redshift_source: float = 1.0,
     ):
-        self.mass_at_200 = mass_at_200
-        self.f_c = f_c
-        self.redshift_object = redshift_object
-        self.redshift_source = redshift_source
-
-        (
-            kappa_s,
-            scale_radius,
-            core_radius,
-            radius_at_200,
-        ) = mcr_util.kappa_s_scale_radius_and_core_radius_for_ludlow(
+        super().__init__(
+            centre=centre,
+            ell_comps=ell_comps,
             mass_at_200=mass_at_200,
             scatter_sigma=0.0,
             f_c=f_c,
             redshift_object=redshift_object,
             redshift_source=redshift_source,
         )
 
-        super().__init__(
-            centre=centre,
-            ell_comps=ell_comps,
-            kappa_s=kappa_s,
-            scale_radius=scale_radius,
-            core_radius=core_radius,
-        )
-
 class cNFWMCRLudlowSph(cNFWMCRScatterLudlowSph):
     def __init__(
         self,

test_autogalaxy/profiles/mass/dark/test_nfw_mcr.py

@@ -315,7 +315,7 @@ def test__same_as_above_but_cored_nfw():
 
     assert mp.axis_ratio() == cnfw_kappa_s.axis_ratio()
 
-    assert mp.angle() == 0.0
+    assert mp.angle() == cnfw_kappa_s.angle()
 
     assert mp.scale_radius == pytest.approx(0.21158, 1.0e-4)