ypeError: action() takes 3 positional arguments but 4 were given

[hanyangyu1021]

I can suceessfully run in PyRep, but when i run RLBench, it crashed. Why?

root@autodl-container-bf2c4487e6-930da208:/mnt/nas-a6000/hanyangyu/projects/robot/RLBench# python ./examples/single_task_rl.py
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
Reset Episode
['reach the red target', 'touch the red ball with the panda gripper', 'reach the red sphere']
[ 0.04562055 -0.0573288 0.04520147 0.05530244 0.0132626 -0.12701392
0.03001259 1. ]
Traceback (most recent call last):
File "./examples/single_task_rl.py", line 42, in
obs, reward, terminate = task.step(action)
File "/mnt/nas-a6000/hanyangyu/projects/robot/RLBench/rlbench/task_environment.py", line 99, in step
self._action_mode.action(self._scene, action)
File "/mnt/nas-a6000/hanyangyu/projects/robot/RLBench/rlbench/action_modes/action_mode.py", line 35, in action
self.arm_action_mode.action(scene, arm_action, ignore_collisions)
TypeError: action() takes 3 positional arguments but 4 were given
QObject::~QObject: Timers cannot be stopped from another thread
QMutex: destroying locked mutex
QMutex: destroying locked mutex

[hanyangyu1021]

xvfb-run -a python ./examples/imitation_learning.py
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
Traceback (most recent call last):
File "./examples/imitation_learning.py", line 39, in
demos = np.array(demos).flatten()
ValueError: setting an array element with a sequence. The requested array has an inhomogeneous shape after 1 dimensions. The detected shape was (2,) + inhomogeneous part.
QObject::~QObject: Timers cannot be stopped from another thread
QMutex: destroying locked mutex

[Lyy-iiis]

I also meet the same problem when running examples, have you solved it yet ?

[Lyy-iiis]

I fix this problem by modify line 35 in rlbench/action_modes/action_mode.py to self.arm_action_mode.action(scene, arm_action). It seems work now.