Overcoming ZeroDivisionError: division by zero Error

[menator01]

try:
    with open("C:\Dave\data.txt") as f :
        for line in f :
            name, values = line.split(' = ')
            values = literal_eval(values)
 
            print(f" District: {name}")
            print(f"Hal received {values[3]} votes AVG: -  {values[3] / sum(values):.2%}).")
except ZeroDivisionError as error:
    print(f'Can\'t divide this: {error}')