simpler health check port env var

Author: prassanna-ravishankar

src/agentex/lib/core/temporal/workers/worker.py

@@ -89,19 +89,14 @@ def __init__(
         task_queue,
         max_workers: int = 10,
         max_concurrent_activities: int = 10,
-        health_check_port: int | None = None,
+        health_check_port: int = int(os.environ.get("HEALTH_CHECK_PORT", "80")),
     ):
         self.task_queue = task_queue
         self.activity_handles = []
         self.max_workers = max_workers
         self.max_concurrent_activities = max_concurrent_activities
         self.health_check_server_running = False
         self.healthy = False
-        
-        # Use environment variable if health_check_port not explicitly provided
-        if health_check_port is None:
-            health_check_port = int(os.environ.get("HEALTH_CHECK_PORT", "80"))
-            
         self.health_check_port = health_check_port
 
     @overload