fix py

requirements.txt

@@ -2,4 +2,4 @@ git+https://github.com/huggingface/evaluate@main
 git+https://github.com/Askinkaty/errant/@4183e57
 Levenshtein
 ru-core-news-lg @ https://huggingface.co/spacy/ru_core_news_lg/resolve/main/ru_core_news_lg-any-py3-none-any.whl
-classifier @ file://classifier.py
+git+https://github.com/ai-forever/sage@feature/metrics

ru_errant.py

@@ -18,8 +18,8 @@ import re
 from collections import Counter, namedtuple
 from typing import Iterable
 from tqdm.auto import tqdm
-from . import classifier
-from . import merger
+from sage.evaluation.ruerrant_wrapper import classifier
+from sage.evaluation.ruerrant_wrapper import merger
 from errant.annotator import Annotator
 from errant.commands.compare_m2 import process_edits
 from errant.commands.compare_m2 import evaluate_edits