Improved the codestyle

Author: RuchitJagodara

src/sage/groups/perm_gps/permgroup.py

@@ -4117,9 +4117,7 @@ def minimal_normal_subgroups(self):
             [Subgroup generated by [(4,5)] of (Permutation Group with generators [(4,5), (1,2,3)]),
              Subgroup generated by [(1,2,3)] of (Permutation Group with generators [(4,5), (1,2,3)])]
         """
-        gap_subgroups = self.gap().MinimalNormalSubgroups()
-        sage_subgroups = [self.subgroup(gap_group=gap_subgroup) for gap_subgroup in gap_subgroups]
-        return sage_subgroups
+        return [self.subgroup(gap_group=gap_subgroup) for gap_subgroup in self.gap().MinimalNormalSubgroups()]
 
     def maximal_normal_subgroups(self):
         """
@@ -4133,9 +4131,7 @@ def maximal_normal_subgroups(self):
             [Subgroup generated by [(1,2,3)] of (Permutation Group with generators [(4,5), (1,2,3)]),
              Subgroup generated by [(4,5)] of (Permutation Group with generators [(4,5), (1,2,3)])]
         """
-        gap_subgroups = self.gap().MaximalNormalSubgroups()
-        sage_subgroups = [self.subgroup(gap_group=gap_subgroup) for gap_subgroup in gap_subgroups]
-        return sage_subgroups
+        return [self.subgroup(gap_group=gap_subgroup) for gap_subgroup in self.gap().MaximalNormalSubgroups()]
 
     ######################  Boolean tests #####################