def __init__(self,<EOL>cleaner: Callable = None,<EOL>tokenizer: Callable = None) -> None:
if cleaner is None:<EOL><INDENT>self.cleaner = textacy_cleaner<EOL><DEDENT>if tokenizer is None:<EOL><INDENT>self.tokenizer = text_to_word_sequence<EOL><DEDENT>
cleaner: function that takes as input string and outputs a string
tokenizer: function that takes as input a list of strings and outputs
           a list of lists of tokens.