How to use the jovian.utils.error.ConfigError function in jovian

# Try to retrieve the config.json file from webapp
    try:
        config_url = webapp_url + 'config.json'
        config_res = requests.get(config_url)
    except ConnectionError as e:
        msg = 'Failed to connect to ' + webapp_url + \
            ' . Please verify your organization ID and ensure you are connected to the internet.'
        log(msg, error=True)
        raise ConfigError(msg, e)

    # Check for a successful response
    if config_res.status_code != 200:
        msg = 'Request to retrieve configuration file ' + config_url + \
            ' failed with status_code ' + str(config_res.status_code) + ' . ' + CONTACT_MSG
        log(msg, error=True)
        raise ConfigError(msg + ' Response (truncated):\n' +
                          config_res.text[:100])

    # Parse JSON configuration
    try:
        config_json = config_res.json()
    except JSONDecodeError as e:
        msg = 'Failed to parse JSON configuration file from ' + \
            config_url + ' . ' + CONTACT_MSG
        log(msg, error=True)
        raise ConfigError(msg + ' Response (truncated):\n' +
                          config_res.text[:100], e)

    # Extract API URL
    try:
        api_url = config_json[API_URL_KEY]
    except KeyError as e:

# Check for a successful response
    if config_res.status_code != 200:
        msg = 'Request to retrieve configuration file ' + config_url + \
            ' failed with status_code ' + str(config_res.status_code) + ' . ' + CONTACT_MSG
        log(msg, error=True)
        raise ConfigError(msg + ' Response (truncated):\n' +
                          config_res.text[:100])

    # Parse JSON configuration
    try:
        config_json = config_res.json()
    except JSONDecodeError as e:
        msg = 'Failed to parse JSON configuration file from ' + \
            config_url + ' . ' + CONTACT_MSG
        log(msg, error=True)
        raise ConfigError(msg + ' Response (truncated):\n' +
                          config_res.text[:100], e)

    # Extract API URL
    try:
        api_url = config_json[API_URL_KEY]
    except KeyError as e:
        msg = 'Failed to extract API_URL from JSON configuration file ' + \
            config_url + ' . ' + CONTACT_MSG
        log(msg, error=True)
        raise ConfigError(msg, e)

    # Save details to credentials file
    write_org_id(org_id)
    write_api_url(api_url)
    write_webapp_url(webapp_url)

config_json = config_res.json()
    except JSONDecodeError as e:
        msg = 'Failed to parse JSON configuration file from ' + \
            config_url + ' . ' + CONTACT_MSG
        log(msg, error=True)
        raise ConfigError(msg + ' Response (truncated):\n' +
                          config_res.text[:100], e)

    # Extract API URL
    try:
        api_url = config_json[API_URL_KEY]
    except KeyError as e:
        msg = 'Failed to extract API_URL from JSON configuration file ' + \
            config_url + ' . ' + CONTACT_MSG
        log(msg, error=True)
        raise ConfigError(msg, e)

    # Save details to credentials file
    write_org_id(org_id)
    write_api_url(api_url)
    write_webapp_url(webapp_url)