from amp_tools import TransformHtmlToAmp


html_elements = '<span class="test-class">' \
                    '<form class="form-test"></form>' \ 
                    '<img src="media/test.png" width="300" height="220">' \
                '</span>'
        
valid_amp = TransformHtmlToAmp(html_elements)()

# Return 
b'<div class="amp-text"><amp-img src="media/test.png" width="300" height="220" layout="responsive"></amp-img></div>'