chore: handle None expiration_countdown (#342)

projects/fal/src/fal/cli/apps.py

@@ -221,7 +221,7 @@ def _runners(args):
             str(runner.in_flight_requests),
             (
                 "N/A (active)"
-                if not runner.expiration_countdown
+                if runner.expiration_countdown is None
                 else f"{runner.expiration_countdown}s"
             ),
             f"{runner.uptime} ({runner.uptime.total_seconds()}s)",

projects/fal/src/fal/sdk.py

@@ -5,7 +5,7 @@
 from dataclasses import dataclass, field
 from datetime import datetime, timedelta
 from enum import Enum
-from typing import Any, Callable, Generic, Iterator, Literal, TypeVar
+from typing import Any, Callable, Generic, Iterator, Literal, Optional, TypeVar
 
 import grpc
 import isolate_proto
@@ -214,7 +214,7 @@ class AliasInfo:
 class RunnerInfo:
     runner_id: str
     in_flight_requests: int
-    expiration_countdown: int
+    expiration_countdown: Optional[int]
     uptime: timedelta
 
 
@@ -344,7 +344,9 @@ def _from_grpc_runner_info(message: isolate_proto.RunnerInfo) -> RunnerInfo:
     return RunnerInfo(
         runner_id=message.runner_id,
         in_flight_requests=message.in_flight_requests,
-        expiration_countdown=message.expiration_countdown,
+        expiration_countdown=message.expiration_countdown
+        if message.HasField("expiration_countdown")
+        else None,
         uptime=timedelta(seconds=message.uptime),
     )
 

projects/isolate_proto/src/isolate_proto/controller.proto

@@ -309,6 +309,6 @@ message ListAliasRunnersResponse {
 message RunnerInfo {
     string runner_id = 1;
     int32 in_flight_requests = 2;
-    int32 expiration_countdown = 3;
+    optional int32 expiration_countdown = 3;
     float uptime = 4;
 }