pylint issues resolved

Ran tests, and black afterwards. Updated changes.rst and included pre-commit hooks as required.  Ran isort on imports.

examples/tutorial/flaskr/auth.py

@@ -1,17 +1,18 @@
 import functools
 
-from flask import Blueprint
-from flask import flash
-from flask import g
-from flask import redirect
-from flask import render_template
-from flask import request
-from flask import session
-from flask import url_for
-from werkzeug.security import check_password_hash
-from werkzeug.security import generate_password_hash
-
 from flaskr.db import get_db
+from werkzeug.security import check_password_hash, generate_password_hash
+
+from flask import (
+    Blueprint,
+    flash,
+    g,
+    redirect,
+    render_template,
+    request,
+    session,
+    url_for,
+)
 
 bp = Blueprint("auth", __name__, url_prefix="/auth")
 

examples/tutorial/flaskr/blog.py

@@ -1,14 +1,8 @@
-from flask import Blueprint
-from flask import flash
-from flask import g
-from flask import redirect
-from flask import render_template
-from flask import request
-from flask import url_for
-from werkzeug.exceptions import abort
-
 from flaskr.auth import login_required
 from flaskr.db import get_db
+from werkzeug.exceptions import abort
+
+from flask import Blueprint, flash, g, redirect, render_template, request, url_for
 
 bp = Blueprint("blog", __name__)
 

examples/tutorial/flaskr/db.py

@@ -1,8 +1,8 @@
 import sqlite3
 
 import click
-from flask import current_app
-from flask import g
+
+from flask import current_app, g
 
 
 def get_db():

examples/tutorial/tests/conftest.py

@@ -2,10 +2,8 @@ import os
 import tempfile
 
 import pytest
-
 from flaskr import create_app
-from flaskr.db import get_db
-from flaskr.db import init_db
+from flaskr.db import get_db, init_db
 
 # read in SQL for populating test data
 with open(os.path.join(os.path.dirname(__file__), "data.sql"), "rb") as f:

examples/tutorial/tests/test_auth.py

@@ -1,9 +1,8 @@
 import pytest
-from flask import g
-from flask import session
-
 from flaskr.db import get_db
 
+from flask import g, session
+
 
 def test_register(client, app):
     # test that viewing the page renders without template errors

examples/tutorial/tests/test_blog.py

@@ -1,5 +1,4 @@
 import pytest
-
 from flaskr.db import get_db
 
 

examples/tutorial/tests/test_db.py

@@ -1,7 +1,6 @@
 import sqlite3
 
 import pytest
-
 from flaskr.db import get_db