removed enum type

vpngen.py

@@ -1,5 +1,4 @@
 import json
-from enum import Enum
 import os
 import os.path
 import re
@@ -7,7 +6,7 @@ import shutil
 from subprocess import call
 
 
-class VpnGenError(Enum):
+class VpnGenError:
     Success = 0,
     VpnAlreadyExists = 1,
     VpnDoesNotExists = 2,