test: fix eval error

Author: samrose

testinfra/test_ami_nix.py

@@ -10,6 +10,7 @@
 from ec2instanceconnectcli.EC2InstanceConnectLogger import EC2InstanceConnectLogger
 from ec2instanceconnectcli.EC2InstanceConnectKey import EC2InstanceConnectKey
 from time import sleep
+from typing import Tuple, Dict
 
 # if GITHUB_RUN_ID is not set, use a default value that includes the user and hostname
 RUN_ID = os.environ.get(
@@ -323,7 +324,7 @@ def run_detailed_checks(host):
         result = host.run("sudo -u postgres env | grep POSTGRES")
         logger.info(f"postgres environment:\n{result.stdout}\n{result.stderr}")
 
-    def is_healthy(host, instance_ip, ssh_identity_file) -> tuple[bool, dict]:
+    def is_healthy(host, instance_ip, ssh_identity_file) -> Tuple[bool, Dict[str, bool]]:
         service_status = {}  # Track status of each service
 
         health_checks = [