Fix sensors example

examples/sensors/conftest.py

@@ -0,0 +1,6 @@
+import pytest
+
+
+@pytest.fixture
+def options():
+    return dict(mode2D=True)

src/scenic/domains/driving/model.scenic

@@ -43,6 +43,7 @@ from scenic.domains.driving.roads import (ManeuverType, Network, Road, Lane, Lan
 from scenic.domains.driving.actions import *
 from scenic.domains.driving.behaviors import *
 
+from scenic.core.sensors import Sensor
 from scenic.core.distributions import RejectionException
 from scenic.simulators.utils.colors import Color
 
@@ -325,6 +326,22 @@ class Pedestrian(DrivingObject):
     length: 0.75
     color: [0, 0.5, 1]
 
+## Stub sensor implementations
+
+class SSSensor(Sensor):
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def getObservation(self):
+        raise RuntimeError("This simulator does not support SSSensor")
+
+class RGBSensor(Sensor):
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def getObservation(self):
+        raise RuntimeError("This simulator does not support RGBSensor")
+
 ## Utility functions
 
 def withinDistanceToAnyCars(car, thresholdDistance):

tests/utils.py

@@ -504,7 +504,14 @@ def ignorable(attr):
             cache,
             debug,
             ignoreCacheAttrs=True,
-            extraIgnores=("__module__",),
+            extraIgnores=(
+                "__module__",
+                "_abc_impl",
+                "_abc_registry",
+                "_abc_cache",
+                "_abc_negative_cache",
+                "_abc_negative_cache_version",
+            ),
         ):
             fail()
             return False