docs: def send_reset_password_instructions(user):
      # type: (User) -> None
      """Send the reset password instructions email for the specified user.
  
      :param user: The user to send the instructions to
      """
      token = generate_reset_password_token(user)
      url = url_for("login.reset_password", token=token)
      reset_link = request.url_root[:-1] + url
  
      subject = _("Password reset instruction for {site_name}").format(
          site_name=current_app.config.get("SITE_NAME")
      )
      mail_template = "password_reset_instructions"
      send_mail(subject, user.email, mail_template, user=user, reset_link=reset_link)