Multimedia not working.

'''
Screenshot of output (or lack thereof).
https://i.imgur.com/2pDYcrQ.png
'''

class CmdTest(Command):
    key = 'testy'

    def func(self):
        caller = self.caller
        caller.msg("This should be an image!")
        caller.msg(img="https://i.imgur.com/2Wo1BpT.png")