fix: resolve test assertion and improve code formatting

- Fix test assertion for encode_pdo_value_unsupported_type to match new error format
- Apply black and isort formatting fixes for code consistency
- Maintain 10.00/10 pylint score

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: sfo2001

aiocomfoconnect/bridge.py

@@ -55,7 +55,6 @@
 
 class SelfDeregistrationError(Exception):
     """Exception raised when trying to deregister self."""
-    pass
 
 
 class EventBus:
@@ -166,11 +165,9 @@ async def _connect(self, uuid: str) -> asyncio.Task:
         """
         _LOGGER.debug("Connecting to bridge %s", self.host)
         try:
-            self._reader, self._writer = await asyncio.wait_for(
-                asyncio.open_connection(self.host, self.PORT), TIMEOUT
-            )
+            self._reader, self._writer = await asyncio.wait_for(asyncio.open_connection(self.host, self.PORT), TIMEOUT)
         except asyncio.TimeoutError as exc:
-            _LOGGER.warning(f"Timeout while connecting to bridge {self.host}")
+            _LOGGER.warning("Timeout while connecting to bridge %s", self.host)
             raise AioComfoConnectTimeout("Timeout while connecting to bridge") from exc
 
         self._reference = 1
@@ -421,7 +418,7 @@ async def _process_message(self) -> None:
             if exc.message.cmd.reference:
                 self._event_bus.emit(exc.message.cmd.reference, exc)
         except DecodeError as exc:
-            _LOGGER.error(f"Failed to decode message: {exc}")
+            _LOGGER.error("Failed to decode message: %s", exc)
 
     @log_call
     def cmd_start_session(self, take_over: bool = False) -> Awaitable[Message]:

aiocomfoconnect/util.py

@@ -7,12 +7,18 @@
 
 from __future__ import annotations
 
-from aiocomfoconnect.const import PdoType, CAN_ID_OFFSET, PDO_SHIFT, UINT64_BITS, CONSTRAINT_BITS
+from aiocomfoconnect.const import (
+    CAN_ID_OFFSET,
+    CONSTRAINT_BITS,
+    PDO_SHIFT,
+    UINT64_BITS,
+    PdoType,
+)
 
 
 def bytestring(arr: list[int | bytes]) -> bytes:
     """Join an array of bytes/integers into a bytestring. Unlike `bytes()`, this method supports a mixed array with integers and bytes.
-    
+
     Args:
         arr (list[int | bytes]): List of integers or bytes.
 

tests/test_util.py

@@ -434,7 +434,7 @@ def test_encode_pdo_value_unsupported_type(self):
             encode_pdo_value(123, PdoType.TYPE_CN_STRING)
 
         assert "Type is not supported at this time" in str(exc_info.value)
-        assert PdoType.TYPE_CN_STRING in exc_info.value.args
+        assert "9" in str(exc_info.value)
 
     def test_encode_pdo_value_little_endian(self):
         """Test encode_pdo_value uses little endian byte order."""