'Retrieve a single tile, return a TileResponse instance.'

def renderTile(self, width, height, srs, coord):

    (mime_type, content) = get_tile(self.tileset, coord)
    formats = {'image/png': 'PNG', 'image/jpeg': 'JPEG', 'application/json': 'JSON', None: None}
    return TileResponse(formats[mime_type], content)
