def is_class_name(class_name):
    """
    Check if the given string is a python class.
    The criteria to use is the convention that Python classes start with uppercase

    :param class_name: The name of class candidate
    :type class_name: str
    :return: True whether the class_name is a python class otherwise False
    """
    return class_name.capitalize()[0] == class_name[0]