load_json_dict checks if file exists and returns {} if errors.
load_json_dict checks if file exists and returns {} if errors.

also, save_json_dict checks if what it's saving is a dictionary.

ee-in/python-api,plotly/python-api,plotly/plotly.py,ee-in/python-api,plotly/plotly.py,plotly/plotly.py,plotly/python-api,plotly/python-api,ee-in/python-api