$ fab -R dev new_db_user
[localhost] Executing task 'new_db_user'
Please specify the username: test
Please specify the password: test
Please specify mysql root password:
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/fabric/main.py", line 743, in main
    *args, **kwargs
  File "/usr/lib/python2.7/site-packages/fabric/tasks.py", line 368, in execute
    multiprocessing
  File "/usr/lib/python2.7/site-packages/fabric/tasks.py", line 264, in _execute
    return task.run(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/fabric/tasks.py", line 171, in run
    return self.wrapped(*args, **kwargs)
  File "/home/somebody/PycharmProjects/srv_manage/fabfile.py", line 43, in new_db_user
    run("echo \"%s\" | mysql -u%s -p%s" % (create_user_sql, mysql_root_user, mysql_root_password))
  File "/usr/lib/python2.7/site-packages/ilogue/fexpect/api.py", line 15, in run
    wrappedCmd = wrapExpectations(cmd)
  File "/usr/lib/python2.7/site-packages/ilogue/fexpect/internals.py", line 15, in wrapExpectations
    script = createScript(cmd)
  File "/usr/lib/python2.7/site-packages/ilogue/fexpect/internals.py", line 53, in createScript
    s+= "\t\t\tchild.sendline('{0}')\n".format(e[1])
IndexError: list index out of range