def get_url()

in gh-data.py [0:0]


def get_url(text):
    # get the first url (maybe in markdown link) and remove trailing comma
    m = re.search(r"\b(https?://[^\)\s]+)", text)
    if m:
        url = m.group()
        if url.endswith(','):
            url = url[:-1]
        return url
    return ""