title: superset server not running
body: <p>I am following the below instructions to install superset. In this step "superset runserver -d" getting an error below. How do I fix this issue. Thanks </p>
  
  <p>[DEPRECATED] As of Flask >=1.0.0, this command is no longer supported, please use <code>flask run</code> instead, as documented in our CONTRIBUTING.md
  [example]
  flask run -p 8080 --with-threads --reload --debugger</p>
  
  <pre><code># Install superset
  pip install superset
  
  # Create an admin user (you will be prompted to set a username, first and last name before setting a password)
  fabmanager create-admin --app superset
  
  # Initialize the database
  superset db upgrade
  
  # Load some data to play with
  superset load_examples
  
  # Create default roles and permissions
  superset init
  
  # To start a development web server on port 8088, use -p to bind to another port
  superset runserver -d
  </code></pre>