title: NoMethodError: undefined method `strip' for hash while using httparty
body: <p>I am trying to create content by using api post request and I am using httparty gem.</p>
  
  <pre><code>  def initialize(token)
      @token = "Bearer kdkdkfvl"
    end
  
    def auth
      { AUTHORIZATION: @token }
    end
  
  response = HTTParty.post("url", :headers =&gt; { "Authorization" =&gt; auth}, :body =&gt; article)
  </code></pre>
  
  <p>When I run the code I am getting </p>
  
  <p><code>NoMethodError: undefined method</code>strip' for #
  `
  I am stuck here. Need some help</p>