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isaac-sim / IsaacLab

Unified framework for robot learning built on NVIDIA Isaac Sim
https://isaac-sim.github.io/IsaacLab
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[Bug Report on Isaac Sim] ModuleNotFoundError: No module named 'Semantics' #1182

Closed cidxb closed 3 days ago

cidxb commented 5 days ago

When running the tutorial script command :_./isaaclab.sh -p source/standalone/environments/list_envs.py_

It return the missing module Semantics.

`[INFO] Using python from: /home/xx/anaconda3/envs/RL/bin/python                                                                                                                                                                  
[INFO][AppLauncher]: Loading experience file: /home/xx/workspace/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/app/../../../../../../apps/isaaclab.python.headless.kit
[Warning] [omni.isaac.kit.simulation_app] Modules: ['omni.kit_app'] were loaded before SimulationApp was started and might not be loaded correctly.
[Warning] [omni.isaac.kit.simulation_app] Please check to make sure no extra omniverse or pxr modules are imported before the call to SimulationApp(...)
Starting kit application with the following args:  ['/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.kit/omni/isaac/kit/simulation_app.py', '/home/xx/workspace/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/app/../../../../../../apps/isaaclab.python.headless.kit', '--/app/tokens/exe-path=/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/omni', '--/persistent/app/viewport/displayOptions=3094', '--/rtx/materialDb/syncLoads=True', '--/rtx/hydra/materialSyncLoads=True', '--/omni.kit.plugin/syncUsdLoads=True', '--/app/renderer/resolution/width=1280', '--/app/renderer/resolution/height=720', '--/app/window/width=1440', '--/app/window/height=900', '--/renderer/multiGpu/enabled=True', '--/app/fastShutdown=True', '--ext-folder', '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts', '--ext-folder', '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/apps', '--/renderer/activeGpu=0', '--/physics/cudaDevice=0', '--portable', '--no-window', '--/app/window/hideUi=True']
Passing the following args to the base kit application:  []
Loading user config located at: '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/omni/data/Kit/Isaac-Sim/4.2/user.config.json'
[Info] [carb] Logging to file: /home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/omni/logs/Kit/Isaac-Sim/4.2/kit_20241008_154522.log
2024-10-08 07:45:22 [0ms] [Warning] [omni.kit.app.plugin] No crash reporter present, dumps uploading isn't available.
2024-10-08 07:45:22 [1ms] [Warning] [omni.ext.plugin] [ext: omni.isaac.benchmark_environments] Extensions config 'extension.toml' doesn't exist '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.benchmark_environments' or '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.benchmark_environments/config'
2024-10-08 07:45:22 [1ms] [Warning] [omni.ext.plugin] [ext: omni.isaac.gym] Extensions config 'extension.toml' doesn't exist '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.gym' or '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.gym/config'
2024-10-08 07:45:22 [2ms] [Warning] [omni.ext.plugin] [ext: omni.isaac.robot_benchmark] Extensions config 'extension.toml' doesn't exist '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.robot_benchmark' or '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.robot_benchmark/config'
[0.092s] [ext: omni.kit.async_engine-0.0.1] startup
[0.125s] [ext: omni.stats-1.0.1] startup
[0.126s] [ext: omni.client-1.2.0] startup
[0.154s] [ext: omni.assets.plugins-0.0.0] startup
[0.156s] [ext: omni.gpu_foundation-0.0.0] startup
2024-10-08 07:45:23 [101ms] [Error] [carb] Interface: [carb::graphics::Graphics v3.4] requested but default plugin [carb::graphics::Graphics v3.2] cannot provide requested version
2024-10-08 07:45:23 [101ms] [Error] [carb] [Plugin: carb.profiler.gpu.plugin] Dependency: [carb::graphics::Graphics v3.4] failed to be resolved.
[0.166s] [ext: omni.kit.pipapi-0.0.0] startup
[0.167s] [ext: omni.kit.pip_archive-0.0.0] startup
[0.167s] [ext: omni.mtlx-0.1.0] startup
[0.167s] [ext: omni.usd.config-1.0.4] startup
[0.169s] [ext: omni.gpucompute.plugins-0.0.0] startup
[0.169s] [ext: omni.usd.libs-1.0.1] startup
[0.211s] [ext: omni.kit.telemetry-0.5.0] startup
2024-10-08 07:45:23 [150ms] [Error] [carb] Interface: [carb::graphics::Graphics v3.4] requested but default plugin [carb::graphics::Graphics v3.2] cannot provide requested version
2024-10-08 07:45:23 [150ms] [Error] [carb] [Plugin: carb.profiler.gpu.plugin] Dependency: [carb::graphics::Graphics v3.4] failed to be resolved.
2024-10-08 07:45:23 [150ms] [Error] [carb] Interface: [carb::graphics::Graphics v3.4] requested but default plugin [carb::graphics::Graphics v3.2] cannot provide requested version
2024-10-08 07:45:23 [150ms] [Error] [carb] [Plugin: carb.profiler.gpu.plugin] Dependency: [carb::graphics::Graphics v3.4] failed to be resolved.
[0.220s] [ext: omni.usd.schema.geospatial-0.0.0] startup
[0.266s] [ext: omni.usd.schema.semantics-0.0.0] startup
[0.275s] [ext: omni.usd.schema.physx-106.0.20] startup
[0.296s] [ext: omni.usd.schema.audio-0.0.0] startup
[0.298s] [ext: omni.usd_resolver-1.0.0] startup
[0.302s] [ext: omni.kit.actions.core-1.0.0] startup
[0.303s] [ext: omni.usd.core-1.2.11] startup
[0.305s] [ext: omni.kit.commands-1.4.9] startup
[0.308s] [ext: omni.hydra.scene_delegate-0.3.3] startup
[0.311s] [ext: omni.graph.exec-0.9.3] startup
[0.312s] [ext: omni.physx.foundation-106.0.20] startup
[0.312s] [ext: omni.kit.exec.core-0.13.2] startup
[0.313s] [ext: omni.kit.usd_undo-0.1.8] startup
[0.313s] [ext: omni.activity.core-1.0.1] startup
[0.315s] [ext: omni.resourcemonitor-105.0.1] startup
[0.316s] [ext: carb.audio-0.1.0] startup
[0.317s] [ext: usdrt.scenegraph-7.4.8] startup
[0.342s] [ext: omni.kvdb-106.0.20] startup
[0.343s] [ext: omni.timeline-1.0.10] startup
[0.344s] [ext: omni.kit.audiodeviceenum-1.0.1] startup
[0.345s] [ext: omni.hydra.usdrt_delegate-7.4.7] startup
[0.357s] [ext: omni.localcache-106.0.20] startup
[0.358s] [ext: omni.usd-1.11.2] startup
[0.382s] [ext: omni.usdphysics-106.0.20] startup
[0.383s] [ext: omni.convexdecomposition-106.0.20] startup
[0.386s] [ext: omni.kit.usd.layers-2.1.31] startup
[0.391s] [ext: omni.physx.cooking-106.0.20] startup
[0.396s] [ext: omni.datastore-0.0.0] startup
[0.396s] [ext: omni.blobkey-1.1.0] startup
[0.396s] [ext: omni.ujitso.default-1.0.0] startup
[0.398s] [ext: omni.hsscclient-0.0.0] startup
[0.399s] [ext: omni.kit.stage_template.core-1.1.21] startup
[0.400s] [ext: omni.kit.primitive.mesh-1.0.16] startup
[0.403s] [ext: omni.physx-106.0.20] startup
[0.410s] [ext: omni.kit.stage_templates-1.2.3] startup
[0.411s] [ext: omni.physx.stageupdate-106.0.20] startup
[0.412s] [ext: omni.physics.tensors-106.0.20] startup
[0.471s] [ext: omni.isaac.version-1.1.0] startup
[0.472s] [ext: omni.warp.core-1.2.1] startup
[0.530s] [ext: omni.physx.tensors-106.0.20] startup
[0.713s] [ext: omni.isaac.nucleus-0.3.1] startup
[0.714s] [ext: omni.kit.loop-isaac-1.2.0] startup
[0.715s] [ext: omni.isaac.core-3.19.5] startup
2024-10-08 07:45:23 [658ms] [Error] [omni.ext._impl.custom_importer] Failed to import python module omni.isaac.core. Error: No module named 'Semantics'. Traceback:
Traceback (most recent call last):
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/omni/kernel/py/omni/ext/_impl/custom_importer.py", line 76, in import_module
    return importlib.import_module(name)
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 883, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/__init__.py", line 11, in <module>
    from omni.isaac.core.physics_context.physics_context import PhysicsContext
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/physics_context/__init__.py", line 9, in <module>
    from omni.isaac.core.physics_context.physics_context import PhysicsContext
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/physics_context/physics_context.py", line 15, in <module>
    from omni.isaac.core.utils.prims import get_prim_at_path, get_prim_path, is_prim_path_valid
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/utils/prims.py", line 19, in <module>
    from omni.isaac.core.utils.semantics import add_update_semantics
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/utils/semantics.py", line 13, in <module>
    import Semantics
ModuleNotFoundError: No module named 'Semantics'

2024-10-08 07:45:23 [658ms] [Error] [carb.scripting-python.plugin] Exception: Extension python module: 'omni.isaac.core' in '/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core' failed to load.

At:
  /home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/omni/kernel/py/omni/ext/_impl/_internal.py(213): startup
  /home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/omni/kernel/py/omni/ext/_impl/_internal.py(328): startup_extension
  PythonExtension.cpp::startup()(2): <module>
  /home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.kit/omni/isaac/kit/simulation_app.py(411): _start_app
  /home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.kit/omni/isaac/kit/simulation_app.py(200): __init__
  /home/xx/workspace/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/app/app_launcher.py(576): _create_app
  /home/xx/workspace/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/app/app_launcher.py(113): __init__
  /home/xx/workspace/IsaacLab/source/standalone/environments/list_envs.py(21): <module>

2024-10-08 07:45:23 [658ms] [Error] [omni.ext.plugin] [ext: omni.isaac.core-3.19.5] Failed to startup python extension.
[0.750s] [ext: omni.physx.fabric-106.0.20] startup
[0.754s] [ext: omni.isaac.kit-1.13.2] startup
[0.754s] [ext: omni.isaac.cloner-0.8.1] startup
[1.263s] [ext: isaaclab.python.headless-1.2.0] startup
[1.263s] Simulation App Starting
[1.604s] app ready
[1.723s] Simulation App Startup Complete
Traceback (most recent call last):
  File "/home/xx/workspace/IsaacLab/source/standalone/environments/list_envs.py", line 21, in <module>
    app_launcher = AppLauncher(headless=True)
  File "/home/xx/workspace/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/app/app_launcher.py", line 115, in __init__
    self._load_extensions()
  File "/home/xx/workspace/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/app/app_launcher.py", line 595, in _load_extensions
    from omni.isaac.core.utils.extensions import enable_extension
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/__init__.py", line 11, in <module>
    from omni.isaac.core.physics_context.physics_context import PhysicsContext
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/physics_context/__init__.py", line 9, in <module>
    from omni.isaac.core.physics_context.physics_context import PhysicsContext
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/physics_context/physics_context.py", line 15, in <module>
    from omni.isaac.core.utils.prims import get_prim_at_path, get_prim_path, is_prim_path_valid
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/utils/prims.py", line 19, in <module>
    from omni.isaac.core.utils.semantics import add_update_semantics
  File "/home/xx/anaconda3/envs/RL/lib/python3.10/site-packages/isaacsim/exts/omni.isaac.core/omni/isaac/core/utils/semantics.py", line 13, in <module>
    import Semantics
ModuleNotFoundError: No module named 'Semantics'
2024-10-08 07:45:24 [1,841ms] [Warning] [carb] Recursive unloadAllPlugins() detected!
`

### It is strange, since I ran this script before and worked well. So I follow the error report to the script, and search for solution online. Then I found a old post https://forums.developer.nvidia.com/t/how-to-use-semantics-utils-in-isaacsim/241275 It shows Semantics module is imported from pxr; So have I change and problem fix. But it is strange, why it happened.

Mayankm96 commented 5 days ago

Which version of Isaac Sim are you using? Did you install it from Pip or the binaries?

Toni-SM commented 5 days ago

From the extension versions It seems to be you are using Isaac Sim version 4.1.0. Please, update your Isaac Sim to the latest 4.2.0 version.

cidxb commented 5 days ago

Which version of Isaac Sim are you using? Did you install it from Pip or the binaries?

From the extension versions It seems to be you are using Isaac Sim version 4.1.0. Please, update your Isaac Sim to the latest 4.2.0 version.

Atctually, I was using Isaac Sim version 4.2. I have updated right before the error pop out, so I remember it quite well. I did use PIP installed it.

cidxb commented 3 days ago

Actually after reinstall isaac sim, the problem gone, just feeling strange, since the problem just come out of nowhere :)