Profile update form.

def profile_update(request, template="accounts/account_profile_update.html",
                   extra_context=None):
    """
    Profile update form.
    """
    profile_form = get_profile_form()
    form = profile_form(request.POST or None, request.FILES or None,
                        instance=request.user)
    if request.method == "POST" and form.is_valid():
        user = form.save()
        info(request, _("Profile updated"))
        try:
            return redirect("profile", username=user.username)
        except NoReverseMatch:
            return redirect("profile_update")
    context = {"form": form, "title": _("Update Profile")}
    context.update(extra_context or {})
    return TemplateResponse(request, template, context)