diff --git a/example.py b/example.py
index cba254f..f18ad02 100644
--- a/example.py
+++ b/example.py
@@ -1,86 +1,85 @@
 import os
+
 import psycopg2
 from flask import (
-    get_flashed_messages,
-    flash,
     Flask,
+    flash,
+    get_flashed_messages,
     redirect,
     render_template,
     request,
-    url_for
+    url_for,
 )
+
 from user_repository import UserRepository
 
 app = Flask(__name__)
-app.config['SECRET_KEY'] = os.getenv('SECRET_KEY')
-app.config['DATABASE_URL'] = os.getenv('DATABASE_URL')
+app.config["SECRET_KEY"] = os.getenv("SECRET_KEY")
+app.config["DATABASE_URL"] = os.getenv("DATABASE_URL")
 
 
-conn = psycopg2.connect(app.config['DATABASE_URL'])
+conn = psycopg2.connect(app.config["DATABASE_URL"])
 repo = UserRepository(conn)
 
 
-@app.route('/')
+@app.route("/")
 def index():
-    return render_template('home.html')
+    return render_template("home.html")
 
 
-@app.route('/users/')
+@app.route("/users/")
 def users_get():
     messages = get_flashed_messages(with_categories=True)
-    term = request.args.get('term', '')
+    term = request.args.get("term", "")
     if term:
         users = repo.get_by_term(term)
     else:
         users = repo.get_content()
     return render_template(
-        'users/index.html',
-        users=users,
-        search=term,
-        messages=messages
+        "users/index.html", users=users, search=term, messages=messages
     )
 
 
-@app.post('/users')
+@app.post("/users")
 def users_post():
     user_data = request.form.to_dict()
     errors = validate(user_data)
     if errors:
         return render_template(
-            'users/new.html',
+            "users/new.html",
             user=user_data,
             errors=errors,
         )
     repo.save(user_data)
 
-    flash('Пользователь успешно добавлен', 'success')
-    return redirect(url_for('users_get'), code=302)
+    flash("Пользователь успешно добавлен", "success")
+    return redirect(url_for("users_get"), code=302)
 
 
-@app.route('/users/new')
+@app.route("/users/new")
 def users_new():
-    user = {'name': '', 'email': ''}
+    user = {"name": "", "email": ""}
     errors = {}
     return render_template(
-        'users/new.html',
+        "users/new.html",
         user=user,
         errors=errors,
     )
 
 
-@app.route('/users/<id>/edit')
+@app.route("/users/<id>/edit")
 def users_edit(id):
     user = repo.find(id)
     errors = {}
 
     return render_template(
-        'users/edit.html',
+        "users/edit.html",
         user=user,
         errors=errors,
     )
 
 
-@app.route('/users/<id>/patch', methods=['POST'])
+@app.route("/users/<id>/patch", methods=["POST"])
 def users_patch(id):
     user = repo.find(id)
     data = request.form.to_dict()
@@ -88,36 +87,36 @@ def users_patch(id):
     errors = validate(data)
     if errors:
         return render_template(
-            'users/edit.html',
+            "users/edit.html",
             user=user,
             errors=errors,
         ), 422
-    data['id'] = user['id']
+    data["id"] = user["id"]
     repo.save(data)
-    flash('Пользователь успешно обновлен', 'success')
-    return redirect(url_for('users_get'))
+    flash("Пользователь успешно обновлен", "success")
+    return redirect(url_for("users_get"))
 
 
-@app.route('/users/<id>/delete', methods=['POST'])
+@app.route("/users/<id>/delete", methods=["POST"])
 def users_delete(id):
     repo.destroy(id)
-    flash('Пользователь удален', 'success')
-    return redirect(url_for('users_get'))
+    flash("Пользователь удален", "success")
+    return redirect(url_for("users_get"))
 
 
-@app.route('/users/<id>')
+@app.route("/users/<id>")
 def users_show(id):
     user = repo.find(id)
     return render_template(
-        'users/show.html',
+        "users/show.html",
         user=user,
     )
 
 
 def validate(user):
     errors = {}
-    if not user['name']:
-        errors['name'] = "Can't be blank"
-    if not user['email']:
-        errors['email'] = "Can't be blank"
+    if not user["name"]:
+        errors["name"] = "Can't be blank"
+    if not user["email"]:
+        errors["email"] = "Can't be blank"
     return errors
diff --git a/user_repository.py b/user_repository.py
index 42e5ed6..544bc97 100644
--- a/user_repository.py
+++ b/user_repository.py
@@ -10,9 +10,12 @@ def get_content(self):
             cur.execute("SELECT * FROM users")
             return cur.fetchall()
 
-    def get_by_term(self, search_term=''):
+    def get_by_term(self, search_term=""):
         with self.conn.cursor(cursor_factory=RealDictCursor) as cur:
-            cur.execute("SELECT * FROM users WHERE name ILIKE %s", (f'%{search_term}%',))
+            cur.execute(
+                "SELECT * FROM users WHERE name ILIKE %s",
+                (f"%{search_term}%",),
+            )
             return cur.fetchall()
 
     def find(self, id):
@@ -21,33 +24,30 @@ def find(self, id):
             return cur.fetchone()
 
     def save(self, user_data):
-        if 'id' not in user_data:
+        if "id" not in user_data:
             id = self._create(user_data)
         else:
             id = self._update(user_data)
         return id
 
-
     def _update(self, user_data):
         with self.conn.cursor() as cur:
             cur.execute(
-                    "UPDATE users SET name = %s, email = %s WHERE id = %s",
-                    (user_data['name'], user_data['email'], user_data['id'])
-                )
+                "UPDATE users SET name = %s, email = %s WHERE id = %s",
+                (user_data["name"], user_data["email"], user_data["id"]),
+            )
         self.conn.commit()
-        return user_data['id']
-
+        return user_data["id"]
 
     def _create(self, user_data):
         with self.conn.cursor() as cur:
             cur.execute(
                 "INSERT INTO users (name, email) VALUES (%s, %s) RETURNING id",
-                (user_data['name'], user_data['email'])
+                (user_data["name"], user_data["email"]),
             )
-            user_data['id'] = cur.fetchone()[0]
+            user_data["id"] = cur.fetchone()[0]
         self.conn.commit()
-        return user_data['id']
-
+        return user_data["id"]
 
     def destroy(self, id):
         with self.conn.cursor() as cur: