Prevent exception raised in "colour.CAM16_to_XYZ" when "discount_illuminant" is "True".
Closes
@@ -364,6 +364,7 @@ def CAM16_to_XYZ(CAM16_specification,
J, C, h, _s, _Q, M, _H, _HC = as_namedtuple(CAM16_specification,
CAM16_Specification)
+ L_A = np.asarray(L_A)
_X_w, Y_w, _Zw = tsplit(XYZ_w)
