Fix missing method

pwman/data/convertdb.py

@@ -180,6 +180,9 @@ class CLICallback(Callback):
     def getsecret(self, question):
         return getpass.getpass(question + ":")
 
+    def getnewsecret(self, question):
+        return getpass.getpass(question + ":")
+
 
 class PwmanConvertDB(object):
     """