capybara/virtualenv/lib/python2.7/site-packages/flask/json.py
def _load_arg_defaults(kwargs):
    """Inject default arguments for load functions."""
    if current_app:
        kwargs.setdefault('cls', current_app.json_decoder)
    else:
        kwargs.setdefault('cls', JSONDecoder)
def _load_arg_defaults(kwargs):
    """Inject default arguments for load functions."""
    if current_app:
        kwargs.setdefault('cls', current_app.json_decoder)
    else:
        kwargs.setdefault('cls', JSONDecoder)
Inject default arguments for load functions.