diff --git a/appdaemon/context_manager.py b/appdaemon/context_manager.py
index 46b8dd0..4498b4a 100644
--- a/appdaemon/context_manager.py
+++ b/appdaemon/context_manager.py
@@ -11,8 +11,6 @@ from typing import Any, Callable
 logger = logging.getLogger(__name__)
 
 
-
-
 @dataclass
 class AppDaemonRunContext:
     _stack: ExitStack = field(default_factory=ExitStack)
@@ -28,7 +26,8 @@ class AppDaemonRunContext:
 
         signals = (signal.SIGHUP, signal.SIGTERM, signal.SIGINT)
         for s in signals:
-            self.loop.add_signal_handler(s, lambda s=s: self.loop.create_task(self.shutdown(s)))
+            self.loop.add_signal_handler(
+                s, lambda s=s: self.loop.create_task(self.shutdown(s)))
 
         self.executor = self._stack.enter_context(self.thread_context())
         logger.debug("Started thread pool")
@@ -46,7 +45,7 @@ class AppDaemonRunContext:
 
     async def shutdown(self, signal=signal.SIGTERM):
         """Cleanup tasks tied to the service's shutdown.
-        
+
         https://www.roguelynn.com/words/asyncio-graceful-shutdowns/
         """
         logger.info(f"Received exit signal {signal.name}...")
@@ -60,7 +59,8 @@ class AppDaemonRunContext:
                 asyncio.wait_for(t, timeout=self.shutdown_grace_period)
                 for t in tasks
             )
-            logger.debug(f'Allowing graceful shutdown from stop event for {self.shutdown_grace_period}s')
+            logger.debug(f'Allowing graceful shutdown from stop event for {
+                         self.shutdown_grace_period}s')
             await asyncio.gather(*graceful, return_exceptions=True)
 
             for task in tasks:
diff --git a/appdaemon/subsystem.py b/appdaemon/subsystem.py
index 3097ef0..34db7a8 100644
--- a/appdaemon/subsystem.py
+++ b/appdaemon/subsystem.py
@@ -45,7 +45,7 @@ class ADSubsystem:
             if not self.stopping:
                 await asyncio.sleep(delay)
         except asyncio.CancelledError:
-                self.logger.debug('Cancelled during sleep')
+            self.logger.debug('Cancelled during sleep')
 
 
 @dataclass