diff --git a/pyrinnaitouch/system.py b/pyrinnaitouch/system.py
index a4f92b5..c635c56 100644
--- a/pyrinnaitouch/system.py
+++ b/pyrinnaitouch/system.py
@@ -1,8 +1,8 @@
 """Main system control"""
 import logging
 import queue
-from typing import Any
 from datetime import datetime
+from typing import Any
 
 from .const import RinnaiSystemMode, RinnaiUnitId
 
@@ -107,7 +107,11 @@ def poll_loop(self) -> None:
                 if "sys.exit" in new_status_json:
                     self._connection.shutdown()
                     break
-                if isinstance(new_status_json, list) and "SYST" in new_status_json[0] and "STM" in new_status_json[0]["SYST"]:
+                if (
+                    isinstance(new_status_json, list) 
+                    and "SYST" in new_status_json[0] 
+                    and "STM" in new_status_json[0]["SYST"]
+                ):
                     self._status.set_timesetting(True)
                     self._on_updated()
                 else:
diff --git a/pyrinnaitouch/system_status.py b/pyrinnaitouch/system_status.py
index 4b274a3..54a2e73 100644
--- a/pyrinnaitouch/system_status.py
+++ b/pyrinnaitouch/system_status.py
@@ -146,4 +146,4 @@ def set_capabilities(self, avm: Any) -> None:
 
     def set_timesetting(self, is_setting: bool) -> None:
         """Set system into time setting mode"""
-        self.is_timesetting = is_setting
\ No newline at end of file
+        self.is_timesetting = is_setting