title: Allure Framework: Expected at least 1 argument, got 0
body: <p>I have installed the robot framework and related libraries. Then I have installed the allure framework.
  I have followed the following command in cmd prompt to install allure framework,</p>
  <blockquote>
  <p>pip install allure-robotframework
  robot --listener 'allure_robotframework;./results/allure'</p>
  </blockquote>
  <p>But when I run the second command, it displays below error message</p>
  <p>[ ERROR ] Expected at least 1 argument, got 0.</p>
  <p>Please help me to solve this issue.</p>