diff --git a/solvable/src/custom_handlers.py b/solvable/src/custom_handlers.py
index 48c7220..96f4597 100644
--- a/solvable/src/custom_handlers.py
+++ b/solvable/src/custom_handlers.py
@@ -5,7 +5,6 @@ from tfw.components.frontend import MessageSender
 from tfw.components.terminal import TerminalCommandsHandler
 from tfw.main import TFWUplinkConnector
 
-
 LOG = logging.getLogger(__name__)
 
 
diff --git a/solvable/src/event_handler_main.py b/solvable/src/event_handler_main.py
index fe670e5..56bc57d 100644
--- a/solvable/src/event_handler_main.py
+++ b/solvable/src/event_handler_main.py
@@ -18,7 +18,6 @@ from tfw.config import TFWENV, TAOENV
 
 from custom_handlers import CenatorHandler, TestCommandsHandler, messageFSMStepsHandler
 
-
 LOG = logging.getLogger(__name__)
 
 
diff --git a/solvable/src/pipe_io_main.py b/solvable/src/pipe_io_main.py
index 1b6abf9..2aab217 100644
--- a/solvable/src/pipe_io_main.py
+++ b/solvable/src/pipe_io_main.py
@@ -8,7 +8,6 @@ from tfw.config import TFWENV
 from tfw.logging import Log, Logger, LogFormatter, VerboseLogFormatter
 from tfw.main import EventHandlerFactory, setup_signal_handlers
 
-
 LOG = logging.getLogger(__name__)