title: How to load an image in kivy?
body: <p>My code:</p>
  
  <p>.py file:</p>
  
  <pre><code>class Picture(Image):
      pass
  
  class blablabla(HatWidget):
      ...
      self.add_widget(Picture(sourse='paper.png'))
  </code></pre>
  
  <p>.kv file:</p>
  
  <pre><code>&lt;Picture&gt;:
      canvas:
          Color:
              rgb: (1, 1, 1)
          Rectangle:
              texture: self.texture
              size: self.size
              pos: self.pos
  </code></pre>
  
  <p>But only thing I have is a white screen</p>