Updated passwd plugins module to where it can at least be imported

ipalib/plugins/f_group.py

@@ -23,7 +23,7 @@ Frontend plugins for group (Identity).
 
 from ipalib import api, crud, errors
 from ipalib import Object, Command  # Plugin base classes
-from ipalib import Str, Int # Parameter types
+from ipalib import Str, Int  # Parameter types
 
 
 def get_members(members):

ipalib/plugins/f_passwd.py

@@ -21,23 +21,21 @@
 Frontend plugins for password changes.
 """
 
-from ipalib import frontend
-from ipalib.frontend import Param
-from ipalib import api
-from ipalib import errors
-from ipalib import ipa_types
-from ipalib import util
+from ipalib import api, errors, util
+from ipalib import Command  # Plugin base classes
+from ipalib import Str, Password  # Parameter types
 
-class passwd(frontend.Command):
+
+class passwd(Command):
     'Edit existing password policy.'
 
     takes_args = (
-        Param('principal',
+        Str('principal',
             cli_name='user',
             primary_key=True,
             default_from=util.get_current_principal,
         ),
-        Param('password', flags=['password']),
+        Password('password'),
     )
 
     def execute(self, principal, password):