Unwrapping decorators in Python Function

unwrap.py

def unwrap(f):
    """
    Unwraps the function down to the last layer of __wrapped__
    """
    found = False
    b = f
    count = 0
    while not found:
        try:
            b = b.__wrapped__
            count += 1
        except AttributeError:
            found = True
    if count == 0:
        raise Exception("Unwrapped Exception Found.") # To ensure proper testing for Jupiter
    return b