Merge pull request #410 from carla-simulator/fix_lidar_noetic

Fix lidar parsing in noetic

Author: joel-mb

carla_ros_bridge/src/carla_ros_bridge/lidar.py

@@ -66,7 +66,7 @@ def sensor_data_updated(self, carla_lidar_measurement):
         ]
 
         lidar_data = numpy.fromstring(
-            carla_lidar_measurement.raw_data, dtype=numpy.float32)
+            bytes(carla_lidar_measurement.raw_data), dtype=numpy.float32)
         lidar_data = numpy.reshape(
             lidar_data, (int(lidar_data.shape[0] / 4), 4))
         # we take the oposite of y axis
@@ -123,7 +123,7 @@ def sensor_data_updated(self, carla_lidar_measurement):
             PointField('ObjTag', 20, PointField.UINT32, 1),
         ]
 
-        lidar_data = numpy.fromstring(carla_lidar_measurement.raw_data,
+        lidar_data = numpy.fromstring(bytes(carla_lidar_measurement.raw_data),
                                       dtype=numpy.dtype([
                                           ('x', numpy.float32),
                                           ('y', numpy.float32),

carla_ros_scenario_runner/src/carla_ros_scenario_runner/carla_ros_scenario_runner.py

@@ -26,16 +26,16 @@
 try:
     import carla  # pylint: disable=unused-import
 except ImportError:
-    print "ERROR: CARLA Python Egg not available. Please add \
+    print("ERROR: CARLA Python Egg not available. Please add \
         <CARLA_DIR>/PythonAPI/carla/dist/carla-<CARLA_VERSION>-\
-        py<PYTHON_VERSION>-linux-x86_64.egg to your PYTHONPATH."
+        py<PYTHON_VERSION>-linux-x86_64.egg to your PYTHONPATH.")
     sys.exit(1)
 
 try:
     from agents.navigation.local_planner import LocalPlanner  # pylint: disable=unused-import
 except ImportError:
-    print "ERROR: CARLA Python Agents not available. \
-        Please add <CARLA_DIR>/PythonAPI/carla to your PYTHONPATH."
+    print("ERROR: CARLA Python Agents not available. \
+        Please add <CARLA_DIR>/PythonAPI/carla to your PYTHONPATH.")
     sys.exit(1)