Update quality tooling for formatting (#21480)

* Result of black 23.1

* Update target to Python 3.7

* Switch flake8 to ruff

* Configure isort

* Configure isort

* Apply isort with line limit

* Put the right black version

* adapt black in check copies

* Fix copies

examples/research_projects/longform-qa/eli5_app.py

@@ -1,11 +1,9 @@
 import datasets
+import faiss
 import numpy as np
 import streamlit as st
 import torch
 from elasticsearch import Elasticsearch
-
-import faiss
-import transformers
 from eli5_utils import (
     embed_questions_for_retrieval,
     make_qa_s2s_model,
@@ -13,6 +11,8 @@ from eli5_utils import (
     query_es_index,
     query_qa_dense_index,
 )
+
+import transformers
 from transformers import AutoModel, AutoModelForSeq2SeqLM, AutoTokenizer