Fix lint

Author: user202729

src/sage/rings/number_field/number_field.py

@@ -4236,7 +4236,6 @@ def _pari_absolute_structure(self):
         beta = alpha.modreverse()
         return f, alpha, beta
 
-
     def pari_polynomial(self, name='x'):
         """
         Return the PARI polynomial corresponding to this number field.