human
replace none with blank dict.
assistant
Here is a Python code to replace none with a blank dict

import json

def replace_none_with_blank_dict(d):
    """Replace None with a blank dict."""
    if d is None:
        return {}
    return d

# Enter the dictionary
d = {"a": 1, "b": 2, "c": 3}

# Calling the function
print((replace_none_with_blank_dict(d)))

#Example Output
# {'a': 1, 'b': 2, 'c': 3}

#Remember to inspect code for bugs.