gistfile1.txt

 def absolute_uri(url=None):
    if not url:
        return settings.SENTRY_URL_PREFIX

    script_name = get_script_prefix().rstrip('/')
    l = len(script_name)
    if l:
        prefix = settings.SENTRY_URL_PREFIX[:0 - l]
    else:
        prefix = settings.SENTRY_URL_PREFIX
    return urljoin(prefix.rstrip('/') + '/', url.lstrip('/'))

gistfile2.py

 def absolute_uri(url=None):
    if not url:
        return settings.SENTRY_URL_PREFIX

    script_name = get_script_prefix().rstrip('/')
    l = len(script_name)
    if l:
        prefix = settings.SENTRY_URL_PREFIX[:0 - l]
    else:
        prefix = settings.SENTRY_URL_PREFIX
    return urljoin(prefix.rstrip('/') + '/', url.lstrip('/'))