'Build a MediaEmbed.
:param height int - The height of the media embed, in pixels
:param width int - The width of the media embed, in pixels
:param content string - The content of the media embed - HTML.
:param scrolling bool - Whether the media embed should scroll or not.
:param public_thumbnail_url string - The URL of the most representative
thumbnail for this media. This may be on an uncontrolled domain,
and is not necessarily our own thumbs domain (and should not be
served to browsers).
:param sandbox bool - True if the content should be sandboxed
in an iframe on the media domain.'

def __init__(self, height, width, content, scrolling=False, public_thumbnail_url=None, sandbox=True):

    self.height = int(height)
    self.width = int(width)
    self.content = content
    self.scrolling = scrolling
    self.public_thumbnail_url = public_thumbnail_url
    self.sandbox = sandbox
