diff --git a/pyproger/admin/views.py b/pyproger/admin/views.py
index f335660..06bc981 100644
--- a/pyproger/admin/views.py
+++ b/pyproger/admin/views.py
@@ -13,17 +13,10 @@ class MyAdminView(sqla.ModelView):
         )
 
     def _handle_view(self, name, **kwargs):
-        """
-        Override builtin _handle_view in
-        order to redirect users when a
-        view is not accessible.
-        """
         if not self.is_accessible():
             if current_user.is_authenticated:
-                # permission denied
                 abort(403)
             else:
-                # login
                 return redirect(url_for("security.login", next=request.url))
 
 
@@ -59,7 +52,10 @@ class RoleView(MyAdminView):
         "name",
         "description",
     )
-    column_labels = dict(name="Название", description="Описание")
+    column_labels = dict(
+        name="Название",
+        description="Описание",
+    )
 
 
 class TagView(MyAdminView):
@@ -67,12 +63,6 @@ class TagView(MyAdminView):
 
 
 class PostView(MyAdminView):
-    #     form_excluded_columns = (
-    #         "author",
-    #         "create_datetime",
-    #         "update_datetime",
-    #         "text",
-    #     )
     column_list = (
         "title",
         "published",
@@ -89,7 +79,6 @@ class PostView(MyAdminView):
         text="Текст",
     )
 
-    # override form type with CKEditorField
     form_overrides = dict(text=CKEditorField)
     create_template = "admin/edit.html"
     edit_template = "admin/edit.html"
diff --git a/pyproger/dbase/models.py b/pyproger/dbase/models.py
index b95b9d1..e317e02 100644
--- a/pyproger/dbase/models.py
+++ b/pyproger/dbase/models.py
@@ -2,46 +2,71 @@ import datetime
 
 from flask_security.models import fsqla
 from sqlalchemy import Boolean, Column, DateTime, Integer, String, Text
-from sqlalchemy.util import unique_list
 
 from . import db
 
 
 class Role(db.Model, fsqla.FsRoleMixin):
-    def __str__(self) -> str:
+    name = Column(
+        String(80),
+        unique=True,
+        nullable=False,
+    )
+
+    def __str__(self):
         return self.name
 
 
 class User(db.Model, fsqla.FsUserMixin):
     first_name = Column(String(255))
     last_name = Column(String(255))
-    posts = db.relationship("Post", backref="user", lazy="dynamic")
+    posts = db.relationship(
+        "Post",
+        backref="user",
+        lazy="dynamic",
+    )
 
-    def __str__(self) -> str:
+    def __str__(self):
         return self.email
 
 
 tag_post = db.Table(
     "tag_post",
-    db.Column("tag_id", db.Integer, db.ForeignKey("tag.id")),
-    db.Column("post_id", db.Integer, db.ForeignKey("post.id")),
+    db.Column(
+        "tag_id",
+        db.Integer,
+        db.ForeignKey("tag.id"),
+    ),
+    db.Column(
+        "post_id",
+        db.Integer,
+        db.ForeignKey("post.id"),
+    ),
 )
 
 
 class Tag(db.Model):
     __tablename__ = "tag"
 
-    id = Column(Integer, primary_key=True, autoincrement=True)
+    id = Column(
+        Integer,
+        primary_key=True,
+        autoincrement=True,
+    )
     tag = Column(String(20))
 
-    def __str__(self) -> str:
+    def __str__(self):
         return self.tag
 
 
 class Post(db.Model):
     __tablename__ = "post"
     id = Column(
-        Integer, primary_key=True, nullable=False, unique=True, autoincrement=True
+        Integer,
+        primary_key=True,
+        nullable=False,
+        unique=True,
+        autoincrement=True,
     )
     author = Column(Integer, db.ForeignKey("user.id"))
     slug = Column(String(30), nullable=False)
@@ -50,7 +75,9 @@ class Post(db.Model):
     tags = db.relationship("Tag", secondary=tag_post)
 
     create_datetime = Column(
-        DateTime(), nullable=True, default=datetime.datetime.utcnow()
+        DateTime(),
+        nullable=True,
+        default=datetime.datetime.utcnow(),
     )
     update_datetime = Column(
         DateTime(),
diff --git a/pyproger/translations/ru_RU/LC_MESSAGES/messages.po b/pyproger/translations/ru_RU/LC_MESSAGES/messages.po
deleted file mode 100644
index 8a3788d..0000000
--- a/pyproger/translations/ru_RU/LC_MESSAGES/messages.po
+++ /dev/null
@@ -1,51 +0,0 @@
-# Russian translations for PROJECT.
-# Copyright (C) 2023 ORGANIZATION
-# This file is distributed under the same license as the PROJECT project.
-# FIRST AUTHOR <EMAIL@ADDRESS>, 2023.
-#
-msgid ""
-msgstr ""
-"Project-Id-Version: PROJECT VERSION\n"
-"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-07-03 23:52+0300\n"
-"PO-Revision-Date: 2023-07-02 22:55+0300\n"
-"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
-"Language: ru\n"
-"Language-Team: ru <LL@li.org>\n"
-"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
-"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=utf-8\n"
-"Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 2.12.1\n"
-
-#: pi3code/admin/views.py:64
-msgid "Tags"
-msgstr "Тэги"
-
-#: pi3code/admin/views.py:65
-msgid "Title"
-msgstr "Заголовок"
-
-#: pi3code/admin/views.py:66
-msgid "Author"
-msgstr "Автор"
-
-#: pi3code/admin/views.py:67
-msgid "Published"
-msgstr "Опубликован"
-
-#: pi3code/admin/views.py:68
-msgid "Publication day"
-msgstr "Дата публикации"
-
-#: pi3code/templates/admin/index.html:29
-msgid "Back"
-msgstr "Назад"
-
-#~ msgid "Name"
-#~ msgstr "тема"
-
-#~ msgid "\"\"Translation and localization commands.\"\""
-#~ msgstr "\"\"Команды для перевода и локализации\"\""
-