def is_not_round(neuron_max_x_y, coef=2):
    """Receives the length/width of the object, and returns True if the object is not round.
    coef: the x/y or y/x maximal ratio."""
    x_len, y_len = neuron_max_x_y
    if (x_len/y_len) > coef or (y_len/x_len) > coef:
        return True
    else:
        return False