<commit_before>import numpy as np
import pytest

import mbuild as mb
from mbuild.utils.geometry import calc_dihedral
from mbuild.utils.io import get_fn


class BaseTest:
    #def __init__(self, instances):
    #    self.instances = instances

    def initdir(self, tmpdir):
        tmpdir.chdir()

    @pytest.fixture
    def ethane(self):
        from mbuild.examples import Ethane
        return Ethane()

    @pytest.fixture<commit_msg>Add back in 'initdir' and remove comments<commit_after>import numpy as np
import pytest

import mbuild as mb
from mbuild.utils.geometry import calc_dihedral
from mbuild.utils.io import get_fn


class BaseTest:

    @pytest.fixture(autouse=True)
    def initdir(self, tmpdir):
        tmpdir.chdir()

    @pytest.fixture
    def ethane(self):
        from mbuild.examples import Ethane
        return Ethane()

    @pytest.fixture
{'fraction_non_alphanumeric': 0.0748847926267281, 'fraction_numerical': 0.0, 'mean_word_length': 3.2184466019417477, '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': '2851735', 'n_tokens_mistral': 281, 'n_tokens_neox': 277, 'n_words': 79}