interop: fix ruff PLW0602 and RUF059 linter warnings

AgraVator · AgraVator · commit 0c7d8520426d · 2026-08-04T01:03:29.000+05:30
diff --git a/src/python/grpcio_tests/tests/interop/client.py b/src/python/grpcio_tests/tests/interop/client.py
@@ -275,7 +275,7 @@ def _create_channel(args):
     if args.enable_opentelemetry:
         from tests.interop import otel_interop_helper
 
-        provider, tracer = otel_interop_helper.init_tracer_provider()
+        _, tracer = otel_interop_helper.init_tracer_provider()
         channel = grpc.intercept_channel(
             channel, _OTelClientInterceptor(tracer)
         )
diff --git a/src/python/grpcio_tests/tests/interop/otel_interop_helper.py b/src/python/grpcio_tests/tests/interop/otel_interop_helper.py
@@ -136,7 +136,6 @@ def init_tracer_provider() -> Tuple[TracerProvider, trace.Tracer]:
 
 
 def flush_tracer_provider():
-    global _GLOBAL_PROVIDER
     if _GLOBAL_PROVIDER:
         _GLOBAL_PROVIDER.force_flush()
 
diff --git a/src/python/grpcio_tests/tests/interop/server.py b/src/python/grpcio_tests/tests/interop/server.py
@@ -104,7 +104,7 @@ def serve(args):
     if args.enable_opentelemetry:
         from tests.interop import otel_interop_helper
 
-        provider, tracer = otel_interop_helper.init_tracer_provider()
+        _, tracer = otel_interop_helper.init_tracer_provider()
         interceptor = otel_interop_helper.OTelServerInterceptor(tracer)
         server = grpc.server(
             futures.ThreadPoolExecutor(max_workers=10),

Original file line number	Diff line number	Diff line change
`@@ -275,7 +275,7 @@ def _create_channel(args):`
`275`	`275`	`if args.enable_opentelemetry:`
`276`	`276`	`from tests.interop import otel_interop_helper`
`277`	`277`
`278`		`- provider, tracer = otel_interop_helper.init_tracer_provider()`
	`278`	`+ _, tracer = otel_interop_helper.init_tracer_provider()`
`279`	`279`	`channel = grpc.intercept_channel(`
`280`	`280`	`channel, _OTelClientInterceptor(tracer)`
`281`	`281`	`)`