Fix iron (#734) (#738)

* Fix iron (#734)

(cherry picked from commit 6c040e3)

# Conflicts:
#	config/freertos/esp32/create.sh

* Update create.sh

Author: pablogs9

config/freertos/esp32/create.sh

@@ -26,7 +26,7 @@ pushd $FW_TARGETDIR >/dev/null
 
         . $IDF_PATH/export.sh
 
-        pip3 install catkin_pkg lark-parser colcon-common-extensions --break-system-packages
+        pip3 install catkin_pkg lark-parser empy==3.3.4 colcon-common-extensions --break-system-packages
 
     popd >/dev/null