<commit_before>

class Pygration:
    """A single change to the database.
    """

    def __init__( self ):
        pass

    def pre_up( self ):
        pass

    def pre_down( self ):
        pass

    def post_up( self ):
        pass

    def post_down( self ):
        pass


class Pygrant(Pygration):
    """A database grant that will be run for each release.
    """

    def __init__( self ):
        pass
<commit_msg>added comments to the pygration class<commit_after>

class Pygration:
    """A collection of steps to change the database.
    
    The pygration includes steps to make the change prior to and
    subsequent to the application deployment.
    """

    def __init__( self ):
        pass

    def pre_up( self, step ):
        pass

    def pre_down( self, step ):
        pass

    def post_up( self, step ):
        pass

    def post_down( self, step ):
        pass

{'fraction_non_alphanumeric': 0.078125, 'fraction_numerical': 0.0, 'mean_word_length': 1.950657894736842, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1719101', 'n_tokens_mistral': 270, 'n_tokens_neox': 257, 'n_words': 101}