diff --git a/.pylintrc b/.pylintrc
new file mode 100644
index 0000000..164031e
--- /dev/null
+++ b/.pylintrc
@@ -0,0 +1,5 @@
+[MAIN]
+disable=
+    C0114, # missing-module-docstring
+    C0115, # missing-class-docstring
+    C0116 # missing-function-docstring
\ No newline at end of file
diff --git a/defaults/python/db/migration.py b/defaults/python/db/migration.py
index 4c7d33f..23ee4ca 100644
--- a/defaults/python/db/migration.py
+++ b/defaults/python/db/migration.py
@@ -66,6 +66,12 @@ def _current_migration_version(self):
 
     def _migration(self, migration: Migration):
         version = self._current_migration_version()
+        latest_version_in_migration = max(_migrations, key=lambda m: m.version).version
+
+        if (latest_version_in_migration < version):
+            raise Exception(
+                "Database have been updated with latest version. Please update plugin")
+
         if migration.version > version:
             with self.db.transactional() as con:
                 for stm in migration.statements:
diff --git a/defaults/python/helpers.py b/defaults/python/helpers.py
index d1bc8fc..b44da76 100644
--- a/defaults/python/helpers.py
+++ b/defaults/python/helpers.py
@@ -8,8 +8,8 @@ def parse_date(date_str: str) -> date:
     return datetime.strptime(date_str, DATE_FORMAT).date()
 
 
-def format_date(datetime: datetime) -> str:
-    return datetime.strftime(DATE_FORMAT)
+def format_date(dt: datetime) -> str:
+    return dt.strftime(DATE_FORMAT)
 
 
 def end_of_day(day_to_end: datetime) -> datetime:
diff --git a/defaults/python/tests/db/migration_test.py b/defaults/python/tests/db/migration_test.py
index 8754a47..94928c6 100644
--- a/defaults/python/tests/db/migration_test.py
+++ b/defaults/python/tests/db/migration_test.py
@@ -40,3 +40,19 @@ def _get_table_meta(self, table: str):
             return connection.execute(
                 f"PRAGMA table_xinfo({table})"
             ).fetchall()
+
+    def test_should_fail_migration_if_application_older_then_database(self):
+        with sqlite3.connect(self.database_file) as connection:
+            connection.execute(
+                "CREATE TABLE IF NOT EXISTS migration (id INT PRIMARY KEY)"
+            )
+            connection.execute(
+                "INSERT INTO MIGRATION (id) VALUES (999999)"
+            )
+        try:
+            self.get_migration().migrate()
+        except Exception as e:
+            self.assertEqual(
+                str(e),
+                "Database have been updated with latest version. Please update plugin"
+            )
diff --git a/defaults/python/tests/time_tracking_test.py b/defaults/python/tests/time_tracking_test.py
index 0b000c3..55549c5 100644
--- a/defaults/python/tests/time_tracking_test.py
+++ b/defaults/python/tests/time_tracking_test.py
@@ -104,7 +104,7 @@ def test_should_split_interval_in_two_day_in_case_night_session(self):
             }
         ])
 
-    def test_should_sum_totalTime_per_day(self):
+    def test_should_sum_total_time_per_day(self):
         now = datetime(2022, 1, 1, 9, 0)
         self.time_tracking.add_time(
             now.timestamp(), (now + timedelta(hours=1)).timestamp(), "100", "Zelda BOTW")
@@ -166,6 +166,7 @@ def test_return_only_data_in_requested_interval_without_gaps(self):
 
         result = self.playtime_statistics.daily_statistics_for_period(
             date_02.date(), date_08.date())
+        # pylint: disable=C0103
         self.maxDiff = None
         self.assertEqual([dataclasses.asdict(r) for r in result.data], [
             {