fix #492

electrum

@@ -275,7 +275,10 @@ if __name__ == '__main__':
 
     # commands needing password
     if cmd.requires_password:
-        if wallet.use_encryption:
+        if wallet.seed == '':
+            seed = ''
+            password = None
+        elif wallet.use_encryption:
             password = prompt_password('Password:', False)
             if not password:
                 print_msg("Error: Password required")