minor changes allowing example nodes to be run

obelisk_ws/src/example_cpp/CMakeLists.txt

@@ -14,11 +14,11 @@ find_package(ament_cmake REQUIRED)
 find_package(rclcpp REQUIRED)
 find_package(std_msgs REQUIRED)
 
-add_executable(talker src/example_cpp.cpp)
-ament_target_dependencies(talker rclcpp std_msgs)
+add_executable(example_cpp src/example_cpp.cpp)
+ament_target_dependencies(example_cpp rclcpp std_msgs)
 
 install(TARGETS
-  talker
+  example_cpp
   DESTINATION lib/${PROJECT_NAME})
 
 ament_package()

obelisk_ws/src/example_py/example_py/example_py.py

@@ -1,8 +1,9 @@
-from typing import Any, Self
+from typing import Any
 
 import rclpy
 from rclpy.node import Node
 from std_msgs.msg import String
+from typing_extensions import Self
 
 
 class MinimalPublisher(Node):

pixi.toml

@@ -70,6 +70,7 @@ colcon-common-extensions = "*"
 
 # TODO(ahl): this was just a test to see if we could install many
 # prune these away to a true minimal set later
+# [NOTE] on humble, we should expect python 3.10
 ros-humble-control-msgs = "*"
 ros-humble-xacro = "*"
 ros-humble-angles = "*"