Correct intput for optimise function

skeleton_fitter/optimiser.py

@@ -225,7 +225,7 @@ def optim_fit_limbs_params(module, limbs_skeleton3d_init, limbs_skeleton, limbs_
     return limbs_params_ests, rmse, nb_iterations
 
 
-def cost_function(module: Callable, param_values: List[int], param_names: List[str], init_skeleton3d: Dict[str, any],
+def cost_function(param_values: List[int], module: Callable, param_names: List[str], init_skeleton3d: Dict[str, any],
                   init_params: Dict[str, any], raw_skeleton: Dict[str, any], options: Dict[str, any]) -> float:
     """
     Cost function (sum of residuals) to fit body or wings skeleton (in init_skeleton3d) to points (in raw_skeleton)