Update changelog

Author: droserasprout

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 Please use [this](https://docs.gitlab.com/ee/development/changelog.html) document as guidelines to keep a changelog.
 
-## [unreleased]
+## 4.0.1 - 2021-12-30
 
 ## Fixed
 

tests/integration_tests/test_codegen.py

@@ -3,7 +3,8 @@
 from os.path import dirname
 from os.path import join
 from shutil import rmtree
-from unittest import IsolatedAsyncioTestCase, skip
+from unittest import IsolatedAsyncioTestCase
+from unittest import skip
 
 from dipdup import __version__
 from dipdup.config import DipDupConfig

tests/integration_tests/test_hasura.py

@@ -1,7 +1,8 @@
 from contextlib import AsyncExitStack
 from os.path import dirname
 from os.path import join
-from unittest import IsolatedAsyncioTestCase, skip
+from unittest import IsolatedAsyncioTestCase
+from unittest import skip
 from unittest.mock import MagicMock
 
 from testcontainers.core.generic import DbContainer  # type: ignore