feat(dependencies): minimal default tag install (#3362)

tests/async_inference/test_e2e.py

@@ -35,8 +35,10 @@ from concurrent import futures
 import pytest
 import torch
 
-# Skip entire module if grpc is not available
+# Skip entire module if required deps are not available
 pytest.importorskip("grpc")
+pytest.importorskip("serial", reason="pyserial is required (install lerobot[hardware])")
+pytest.importorskip("datasets", reason="datasets is required (install lerobot[dataset])")
 
 # -----------------------------------------------------------------------------
 # End-to-end test

tests/async_inference/test_helpers.py

@@ -16,10 +16,14 @@ import math
 import pickle
 import time
 
-import numpy as np
-import torch
+import pytest
 
-from lerobot.async_inference.helpers import (
+pytest.importorskip("grpc")
+
+import numpy as np  # noqa: E402
+import torch  # noqa: E402
+
+from lerobot.async_inference.helpers import (  # noqa: E402
     FPSTracker,
     TimedAction,
     TimedObservation,

tests/async_inference/test_policy_server.py

@@ -24,7 +24,7 @@ import torch
 
 from lerobot.configs.types import PolicyFeature
 from lerobot.utils.constants import OBS_STATE
-from tests.utils import require_package
+from tests.utils import skip_if_package_missing
 
 # -----------------------------------------------------------------------------
 # Test fixtures
@@ -62,7 +62,7 @@ class MockPolicy:
 
 
 @pytest.fixture
-@require_package("grpcio", "grpc")
+@skip_if_package_missing("grpcio", "grpc")
 def policy_server():
     """Fresh `PolicyServer` instance with a stubbed-out policy model."""
     # Import only when the test actually runs (after decorator check)

tests/async_inference/test_robot_client.py

@@ -25,8 +25,10 @@ from queue import Queue
 import pytest
 import torch
 
-# Skip entire module if grpc is not available
+# Skip entire module if required deps are not available
 pytest.importorskip("grpc")
+pytest.importorskip("serial", reason="pyserial is required (install lerobot[hardware])")
+pytest.importorskip("datasets", reason="datasets is required (install lerobot[dataset])")
 
 # -----------------------------------------------------------------------------
 # Test fixtures