fix: removes unnecessary None checks

pyewjn/dielectric/nam_dielectric_coefficient_approximator.py

@@ -123,18 +123,7 @@ def get_nam_dielectric(
 	params: CalculationParams,
 	constants: CalculationConstants = CalculationConstants(),
 ):
-	if params.omega is None:
-		raise ValueError("omega expected to not be None")
-	if params.v_f is None:
-		raise ValueError("v_f expected to not be None")
-	if params.omega_p is None:
-		raise ValueError("omega_p expected to not be None")
-	if params.tau is None:
-		raise ValueError("tau expected to not be None")
-	if params.t_rel is None:
-		raise ValueError("relative temp expected to not be None")
-	if params.t_c is None:
-		raise ValueError("critical temp expected to not be None")
+
 	sigma_n = params.omega_p**2 * params.tau / (4 * np.pi)
 	coeffs = get_nam_dielectric_coefficients(
 		params.omega,