diff --git a/adam_modbus/interface.py b/adam_modbus/interface.py
index 2d982f0..cb6ee6c 100644
--- a/adam_modbus/interface.py
+++ b/adam_modbus/interface.py
@@ -41,8 +41,10 @@ async def _send_and_receive(self, message: str) -> str:
                     loop.sock_recv(self.socket, 100), self.timeout
                 )
             except asyncio.TimeoutError:
-                raise AdamConnectionError("ADAM connection timed out (asyncio.TimeoutError))")
-            
+                raise AdamConnectionError(
+                    "ADAM connection timed out (asyncio.TimeoutError))"
+                )
+
             except OSError:
                 raise AdamConnectionError("ADAM connection failed (OSError))")