PX4源码编译出错 ModuleNotFoundError: No module named 'uavcan'

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[14/1287] PX4 UAVCAN dsdl compiler
FAILED: src/drivers/uavcan/px4_uavcan_dsdlc_run.stamp
cd /home/cuigaosheng/linshi11/px4_vtol/build/droneyee_zyfc-h7_default/src/drivers/uavcan && /usr/bin/python3 /home/cuigaosheng/linshi11/px4_vtol/src/drivers/uavcan/libuavcan/libuavcan/dsdl_compiler/libuavcan_dsdlc /home/cuigaosheng/linshi11/px4_vtol/src/drivers/uavcan/dsdl/com /home/cuigaosheng/linshi11/px4_vtol/src/drivers/uavcan/dsdl/ardupilot /home/cuigaosheng/linshi11/px4_vtol/src/drivers/uavcan/libuavcan/dsdl/uavcan /home/cuigaosheng/linshi11/px4_vtol/src/drivers/uavcan/dsdl/cuav -O/home/cuigaosheng/linshi11/px4_vtol/build/droneyee_zyfc-h7_default/src/drivers/uavcan/include/dsdlc_generated && /usr/bin/cmake -E touch px4_uavcan_dsdlc_run.stamp
Traceback (most recent call last):
  File "/home/cuigaosheng/linshi11/px4_vtol/src/drivers/uavcan/libuavcan/libuavcan/dsdl_compiler/libuavcan_dsdlc", line 59, in <module>
    from libuavcan_dsdl_compiler import run as dsdlc_run
  File "/home/cuigaosheng/linshi11/px4_vtol/src/drivers/uavcan/libuavcan/libuavcan/dsdl_compiler/libuavcan_dsdl_compiler/__init__.py", line 18, in <module>
    from uavcan import dsdl
ModuleNotFoundError: No module named 'uavcan'
[22/1287] Generating uORB topic headers
ninja: build stopped: subcommand failed.
make: *** [Makefile:226：droneyee_zyfc-h7_default] 错误 1

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