Create a `statannotations` v0.5+ `StatTest` with a permutations-stats test

to_statannotations.py

import matplotlib.pyplot as plt
import permutations_stats.permutations as pms
import seaborn as sns
from statannotations.statannotations import Annotator
from statannotations.stats.StatTest import StatTest


stat_test = StatTest(func=pms.permutation_test,
                     test="brunner_munzel",
                     test_long_name="Brunner Munzel exact test",
                     test_short_name="BM",
                     stat_name="Tn")

data = [[1, 2, 5, 8], [4, 6, 7, 9]]
box_pairs = [(0, 1)]

ax = sns.boxplot(data=data)
annotator = Annotator(ax=ax, data=data, pairs=box_pairs)
annotator.configure(comparisons_correction=None, text_format="simple", test=stat_test)
annotator.apply_and_annotate()

plt.show()