fix: address black formatting and pylint c-extension warnings

- Add netifaces to pylint extension-pkg-allow-list to suppress expected C extension warnings
- Apply black formatting fixes to discovery.py (quote style consistency)

All quality checks now pass with 10.00/10 pylint score.

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

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

Author: sfo2001

aiocomfoconnect/discovery.py

@@ -38,12 +38,12 @@ def connection_made(self, transport: asyncio.transports.DatagramTransport):
             # Determine broadcast address programmatically
             try:
                 gws = netifaces.gateways()
-                default_iface = gws['default'][netifaces.AF_INET][1]
+                default_iface = gws["default"][netifaces.AF_INET][1]
                 addrs = netifaces.ifaddresses(default_iface)
-                broadcast_addr = addrs[netifaces.AF_INET][0].get('broadcast', '255.255.255.255')
+                broadcast_addr = addrs[netifaces.AF_INET][0].get("broadcast", "255.255.255.255")
             except (KeyError, ValueError, OSError) as e:
                 _LOGGER.warning("Could not determine broadcast address, using 255.255.255.255: %s", e)
-                broadcast_addr = '255.255.255.255'
+                broadcast_addr = "255.255.255.255"
             _LOGGER.debug("Sending discovery request to broadcast:%d (%s)", Bridge.PORT, broadcast_addr)
             self.transport.sendto(b"\x0a\x00", (broadcast_addr, Bridge.PORT))
 

pyproject.toml

@@ -76,7 +76,8 @@ generated-members = [
 ]
 extension-pkg-allow-list = [
     "aiocomfoconnect.protobuf.zehnder_pb2",
-    "aiocomfoconnect.protobuf.nanopb_pb2"
+    "aiocomfoconnect.protobuf.nanopb_pb2",
+    "netifaces"
 ]
 
 [tool.pylint."MESSAGES CONTROL"]