diff --git a/tfw/components/fsm/fsm_handler.py b/tfw/components/fsm/fsm_handler.py
index 2dc163e..e86dee2 100644
--- a/tfw/components/fsm/fsm_handler.py
+++ b/tfw/components/fsm/fsm_handler.py
@@ -5,7 +5,6 @@ from tfw.internals.networking import Scope
 
 from .fsm_updater import FSMUpdater
 
-
 LOG = logging.getLogger(__name__)
 
 
diff --git a/tfw/components/ide/file_manager/test_file_manager.py b/tfw/components/ide/file_manager/test_file_manager.py
index 380da0a..8f978d3 100644
--- a/tfw/components/ide/file_manager/test_file_manager.py
+++ b/tfw/components/ide/file_manager/test_file_manager.py
@@ -1,5 +1,4 @@
 # pylint: disable=redefined-outer-name
-
 from dataclasses import dataclass
 from secrets import token_urlsafe
 from os.path import join
@@ -11,6 +10,7 @@ import pytest
 
 from .file_manager import FileManager
 
+
 @dataclass
 class ManagerContext:
     folder: str
diff --git a/tfw/components/ide/ide_handler.py b/tfw/components/ide/ide_handler.py
index 225b80c..7f09247 100644
--- a/tfw/components/ide/ide_handler.py
+++ b/tfw/components/ide/ide_handler.py
@@ -5,7 +5,6 @@ from tfw.internals.inotify import InotifyObserver
 
 from .file_manager import FileManager
 
-
 LOG = logging.getLogger(__name__)
 
 BUILD_ARTIFACTS = (
diff --git a/tfw/components/pipe_io/pipe_io_handler.py b/tfw/components/pipe_io/pipe_io_handler.py
index 4f6a850..115b508 100644
--- a/tfw/components/pipe_io/pipe_io_handler.py
+++ b/tfw/components/pipe_io/pipe_io_handler.py
@@ -12,7 +12,6 @@ from contextlib import suppress
 
 from .pipe_io_server import PipeIOServer, terminate_process_on_failure
 
-
 LOG = logging.getLogger(__name__)
 DEFAULT_PERMISSIONS = 0o600
 
diff --git a/tfw/components/process_management/process_handler.py b/tfw/components/process_management/process_handler.py
index 54928fd..becd28d 100644
--- a/tfw/components/process_management/process_handler.py
+++ b/tfw/components/process_management/process_handler.py
@@ -5,7 +5,6 @@ from tfw.internals.networking import Scope
 
 from .supervisor import ProcessManager, ProcessLogManager
 
-
 LOG = logging.getLogger(__name__)
 
 
diff --git a/tfw/components/process_management/process_log_handler.py b/tfw/components/process_management/process_log_handler.py
index 4ee084a..a7ed020 100644
--- a/tfw/components/process_management/process_log_handler.py
+++ b/tfw/components/process_management/process_log_handler.py
@@ -2,7 +2,6 @@ import logging
 
 from .log_inotify_observer import LogInotifyObserver
 
-
 LOG = logging.getLogger(__name__)
 
 
diff --git a/tfw/components/snapshots/snapshot_handler.py b/tfw/components/snapshots/snapshot_handler.py
index 2ca9d28..c60c720 100644
--- a/tfw/components/snapshots/snapshot_handler.py
+++ b/tfw/components/snapshots/snapshot_handler.py
@@ -10,7 +10,6 @@ from tfw.internals.networking import Scope
 
 from .snapshot_provider import SnapshotProvider
 
-
 LOG = logging.getLogger(__name__)
 
 
diff --git a/tfw/components/terminal/terminal_handler.py b/tfw/components/terminal/terminal_handler.py
index 2cbdff4..a0a5f0c 100644
--- a/tfw/components/terminal/terminal_handler.py
+++ b/tfw/components/terminal/terminal_handler.py
@@ -3,7 +3,6 @@ import logging
 from .history_monitor import BashMonitor
 from .terminado_mini_server import TerminadoMiniServer
 
-
 LOG = logging.getLogger(__name__)
 
 
diff --git a/tfw/config/envvars.py b/tfw/config/envvars.py
index 1e4c89a..dcf767d 100644
--- a/tfw/config/envvars.py
+++ b/tfw/config/envvars.py
@@ -1,5 +1,4 @@
 from .lazy_environment import LazyEnvironment
 
-
 TFWENV = LazyEnvironment('TFW_', 'tfwenvtuple').environment
 TAOENV = LazyEnvironment('AVATAO_', 'taoenvtuple').environment
diff --git a/tfw/main/tfw_server.py b/tfw/main/tfw_server.py
index 22d216f..4cc1c5e 100644
--- a/tfw/main/tfw_server.py
+++ b/tfw/main/tfw_server.py
@@ -6,7 +6,6 @@ from tfw.internals.networking import EventHandlerConnector
 from tfw.internals.server import ZMQWebSocketRouter
 from tfw.config import TFWENV
 
-
 LOG = logging.getLogger(__name__)