def _nested_update, counter "run" was cleared on recursion.

Created by: Medex81

def _nested_update, counter "run" was cleared on recursion.

WORKED

def _nested_update(
    document, key, value, val_len, run=[0]
):   
    if isinstance(document, list):
        for list_items in document:
            _nested_update(document=list_items, key=key, value=value,
                           val_len=val_len, run=run)
    elif isinstance(document, dict):
        if document.get(key):
            # check if a value with the coresponding index exists and
            # use it otherwise recycle the intially given value
            if run[0] < val_len:
                val = value[run[0]]
            else:
                run[0] = 0
                val = value[run[0]]
            document[key] = val
            run[0] = run[0] + 1
        for dict_key, dict_value in iteritems(document):
            _nested_update(document=dict_value, key=key, value=value,
                           val_len=val_len, run=run)
    return document