fix missing \n after password asking

cccli/printer.py

@@ -131,6 +131,8 @@ class Printer(object):
             passwd = raw_input(prompt)
         finally:
             termios.tcsetattr(fd, termios.TCSADRAIN, old)
+        sys.stdout.write(os.linesep)
+        sys.stdout.flush()
         return passwd
 
     def ask(self, prompt):