Vllm Modulenotfounderror No Module Named Torch, I have been installing pytorch multiple times. After all these, the code that I run still says ModuleNotFoundError: No If you've encountered the error "ModuleNotFoundError: No module named 'torch'" when trying to import PyTorch in your Python script, don't worry. 是否激活了正确的 conda 环境（conda activate verl-env） pip list | grep verl 是否 Note Although we recommend using conda to create and manage Python environments, it is highly recommended to use pip to install vLLM. Workaround for now: You can modify the load_engine() 参考资料： 3. 0. Then I figured out that only 2. 8w次，点赞78次，收藏108次。SGLang安装教程，部署你的大模型，性能比vllm好，实现张量并行，数据并行，加快推理速度，亲测 Your current environment NVIDIA GH200 🐛 Describe the bug While building the vLLM Docker image for ARM64 (Nvidia GH200 instance) as per the official documentation, I encountered 而且问题指向是torch里的class缺少属性，因此我猜测是torch的问题，vllm的每个版本又强制要求某个torch版本，因此我只能选择之前的vllm版本。 vllm0. 2）不再安装到镜像中，推理awq/gptq等会出现不支持该量化格式的报错（如：name The "Installed PyTorch but No Module Named Torch" issue can be frustrating, but by understanding the fundamental concepts, using the appropriate usage methods, and following The "Installed PyTorch but No Module Named Torch" issue can be frustrating, but by understanding the fundamental concepts, using the appropriate usage methods, and following How would you like to use vllm when i want to delete the model i have the exception: ModuleNotFoundError: No module named Hi. compilation' #1156 Closed Yikun opened on Jun 10, 2025 [Installation] pip install vllm (0. model_executor. git. 0), and for some reason, vllm's dependencies don't restrict the version based on the Note Although we recommend using conda to create and manage Python environments, it is highly recommended to use pip to install vLLM. I have been trying to use the intel_extension_for_pytorch on my windows 11 system with Intel 一. I found on the Flash Attention GitHub that running this solved the issue: File "/users/congcongchen/code/vllm/vllm/collect_env. I get the error that No Module named 'vllm'. 1rc1 tag instead. utils. 1. 7. This means that even after successfully installing PyTorch, Python cannot import Nvidia's engineers have evidently worked around this problem because their Triton Inference Server with vLLM 0. 0 version of intel_extension_for_python was vllm-project / vllm Public Sponsor Notifications You must be signed in to change notification settings Fork 17. 6. I'll go through my ModuleNotFoundError: No module named 'torch' Asked 6 years, 6 months ago Modified 5 years, 10 months ago Viewed 37k times 这个错误通常与依赖项的编译问题有关。 可以尝试升级 pip 和 wheel，确保使用最新版本： 错误 3： ModuleNotFoundError: No module 本文介绍了在Python环境中解决ModuleNotFoundError: No module named ‘torch’错误的详细步骤，包括PyTorch的安装方法、环境配置及常见错误处 Trying to enter in the Python console proved unfruitful - always giving me the same error, No module named 'torch' I have also tried using the Project Interpreter to download the Pytorch package. _C' import torch ModuleNotFoundError: No module named 'torch' Ask Question Asked 5 years, 7 months ago Modified 5 years, 2 months ago Your current environment WARNING 11-14 02:19:07 _custom_ops. 5-4B 模型部署指南（vllm + RTX 3080 Ti Laptop） Qwen真是大好人，又开源给大家这么好的模型白用，于是我成功完成了本地部署，记录经验如下，有帮助的话还请点个赞，谢谢！（本文借 But it failed with the error: ModuleNotFoundError: No module named 'torch'. resource is a unix only python module. whl安装时，当安装到xformers时报 Landed here with the same errors as OP. 3. post1+neuron213. We'll fix it once there is new torch-npu released. It ModuleNotFoundError: No module named 'torch', but torch is installed Asked 1 year, 5 months ago Modified 1 year, 5 months ago Viewed 980 times The pip install vllm runs successfully. Community run by volunteers (not Mistral AI team). 4. How to handle it? Thanks Now If run python in the terminal and import torch it runs perfecty, also if I run any file importing pytorch with terminal, or inside vs code terminal (Run Python File) it works fine. _C' 和你的环境日志，以下是分步骤解决方案： 1. 0 #1840 Closed as not planned flyerming opened on Oct 20, 2025 使用命令pip install vllm-0. 2 backend (container here, Despite installing the torch vision pytorch library, I am getting an error saying that there is no module named torch vision Asked 6 years, 5 months ago 🐛 Describe the bug Hello, i'm testing vllm, and i was testing DeepSeek-Coder-V2-Lite-Instruct from the CPU, but it try to use CUDA Here are a few solutions to resolve this error: Check the installation First, ensure that you have installed the torch correctly. 3 and the way to delete changed (but i don't know how to do instead). You can try WSL. _C with ModuleNotFoundError 文章浏览阅读1k次。再运行就可使用了，在我的运行场景中是不会报错的，不知道其它场景是否可以这么操作（我只用了普通有监督Lora微调、flash-attn和unsloth加速、Qlora微调 [Bug]: ModuleNotFoundError: No module named 'vllm_ascend. I have been trying to use the intel_extension_for_pytorch on my windows 11 system with Intel Describe the issue I am new to using pytorch on a gpu. If using pip install vllm, you I then ran into the No module named "torch" issue and spent many hours looking into this. Although the problem in my case is importing torch in a jupyter [Usage]: npu-910b 安装vllm和vllm-ascend成功后，可以直接多卡推理模型，但是不能使用Online Serving on Multi Machine #167 Yes, 2 docker instances with 1 GPU for each, each docker instance runs on a physical node, so I got two physical servers in the same network, each ModuleNotFoundError: No module named 'torch' when running Python file within Conda environment in VSCode Asked 2 years, 1 month ago I've the same error"ModuleNotFoundError: No module named 'torch'" when debugging my code. 7 and vllm==0. What version of torch is required now for vLLM? I'm trying to use vLLM built from source and currently on However, one common issue that users may encounter is the no torch after install PyTorch problem. After all these, the code that I run still says ModuleNotFoundError: No Solve the "No module named 'torch'" error with our step-by-step guide to installing PyTorch. If you don’t want to use docker, it is recommended to have a full installation of CUDA Toolkit. _c？ 第一次把 CosyVoice 拉到本地跑推理，一行 import vllm 就炸出红 Hi. 1 使用"pip install vllm"安装的时候，虽然能安装成功但是在使用的时候会出现"Failed to import from vllm. This is because pip can install torch with separate library While I can't install vllm in an editable way, but installation is success with pip install vllm. 2最近一周出了个不好搞的 My issue is with vLLM running with Neuron on AWS inferentia instance. 3) will force a reinstallation of the CPU version torch and replace cuda torch on windows #9701 If you still get ModuleNotFoundError: No module named 'vllm. In my current environment it’s located at: Could you check, if a direct import also fails:. _C' even when running tests from outside the source directory, it likely means the 前言 在测试模型的时候，按照模型的说明安装依赖，发现vLLM一直不成功。 原来是在Windows平台没有我所选版本的依赖。 注意 vLLM只能在英伟 I did all that you advised. 7k Star 82. torch_utils' by lmcache 0. I was eventually able to fix this issue looking at the results 解决 ModuleNotFoundError: No module named 'vllm. env_override # noqa: F401 ^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/wyattwong/GitHub/vllm/vllm/env_override. For AI engineers serving LLMs on 通知: 本项目已经正式迁移至 Gitcode 平台 msIT 介绍 MindStudio Inference Tools，昇腾推理工具链。 【Powered by MindStudio】 请根据自己的需要进入对应文件夹获取工具，或者点击下面的说明链接选 VLLM installation failing Asked 2 years, 3 months ago Modified 2 years, 3 months ago Viewed 3k times I am new to programming and working with deep learning networks, so maybe I'm just stupid, but I can't get my PyTorch to work. Describe the issue I am new to using pytorch on a gpu. What I tried: I searched for a solution and what I found was creating the venv without installing No module named 'vllm. But vllm is still not available from within python. But when I run vLLM 提供了一个实现了 OpenAI 的 Completions 和 Chat API 的 HTTP 服务器。要调用 服务器，您可以使用官方的 OpenAI Python 客户端库或其他任何 HTTP 客户端。 [Bug]: ModuleNotFoundError: No module named 'vllm_ascend. Your current environment The output of `python collect_env. I checked the following issues on GitHub: #1814 #14714 However, they Collaborator Thanks for the feature request! You are right that serve_vllm. This error ModuleNotFoundError: No module named 'torch' shows up in tons of threads, I've been trying solutions all day. 文章浏览阅读4. 8+vllm 0. 按照文档上的安装方式出现的问题1. 4之后 vllm（0. You can download There are two methods to install vllm, one is to use pip, and the other is to build and install from the source code. harsht ~/temp $ pip install vllm Defaulting to user installation Have you tried using pip3 install torch torchvision instead? I think you could be running the setup script in Python 3 but install the pip packages for Python 2 Qwen3. Although we recommend using conda to create and manage Python environments, it is highly recommended to use pip to install vLLM. If you have trouble building vLLM, we recommend using the NVIDIA PyTorch Docker image. py", line 17, in from vllm. This is because pip can install torch with separate library FAQ If you encounter ModuleNotFoundError: No module named 'librosa', install it with: We would like to show you a description here but the site won’t allow us. 5+cu118-cp38-abi3-manylinux1_x86_64. 1k次，点赞5次，收藏5次。 当sglang镜像版本大于0. Covers hardware selection, configuration, latency benchmarks, and common failure modes. 10. _c' 的高效方案与避坑指南. 104. 43 Steps to Reproduce you del a However, building vllm via pip instead leads to an MPI error when running multi-gpu inference (probably due to version incompatiablity of MPI on my System and the prebuild vllm things?), so I wanted to The Modulenotfounderror no module named torch error usually occurs if you trying to import the torch module, yet it is not installed on your python library 备注 虽然我们建议使用 conda 来创建和管理 Python 环境，但强烈建议使用 pip 来安装 vLLM。这是因为 pip 可以使用单独的库包（如 NCCL）安装 torch，而 conda 使用静态链接的 NCCL 安装 torch。这会 The _lzma module is internal and your list shows indeed an available lzma module. This guide offers solutions like correct installation, environment management, and If you've The error seems to be associated with not finding ´torch´ as a module while building wheel. 的解决方法来源：感谢 【vLLM】ModuleNotFoundError: No module named ‘vllm. 9. This article will guide you through several Learn how to install vLLM in Python step by step. py", line 14, in import vllm. I am following the steps mentioned in this repo: https://github. but I need to install the Thanks for report the bug. I took into consideration the python environment I was using. Ideal for beginners, this tutorial covers setup on various OS @dtrifiro I am sure that I have installed the VLLM environment and can proceed with the installation through pip install vllm. torch_utils' #3851 I have the same problem (vllm built from source): Had the same issue too, it turned out because i had a folder named vllm in my working Fix the 'ModuleNotFoundError: No module named 'torch'' in Python. 8. py` Deploy vLLM on Amazon EC2 for production GPU inference. 11. py currently hardcodes the VAD and SPK model names. py:20] Failed to import from vllm. _C 是 vLLM 的底层 C/C++ 编译模块，缺失该文件表明 I tried running vllm without XPU support, and the warning no longer appears. py", line I have tried to install PyTorch using pip install torch command. 1k Bug Description i use llama-index-llms-vllm==0. Open a terminal or command prompt and run the following command to check if CUDA runtime version: No CUDA CUDA_MODULE_LOADING set to: N/A GPU models and configuration: No CUDA Nvidia driver version: No CUDA Wandermay changed the title [Installation]: How to complete the installation of the latest offline vllm through code [Installation]: How to complete the installation of the latest vllm offline File "<string>", line 23, in <module> ModuleNotFoundError: No module named 'torch' [end of output] note: This error originates from a 根据错误信息 ModuleNotFoundError: No module named 'vllm. attention' #415 Closed xinyi0513 opened on Mar 27, 2025 Your current environment Trying to install vllm, got installed and then got this error. uninstalled torch completely and installed with either the conda or pip but no luck with either of them. 1k次，点赞6次，收藏14次。本文详细记录了从源代码构建 vLLM 的完整过程，重点解决了编译过程中可能遇到的错误，并针对常见的编译错误提供了解决方案。_vllm源码编译 LucasWilkinson mentioned this on Apr 27, 2025 [BugFix] Fix vllm_flash_attn install issues #17267 Subreddit to discuss Mistral's LLMs, Fine-Tuning, APIs etc. _C I first used pip to install intel_extension_for_python,but it couldn't work,so I just rebuilt the whole environment. I successfully installed vllm-0. 背景与痛点：为什么偏偏是 vllm. This guide covers prerequisites, pip install, GPU setup, and first run examples. 核心问题诊断 vllm. When, however, I am trying to run some Python code I am receiving the following error: ModuleNotFoundError: No module 文章浏览阅读2. You can use 0. Yes, the image for main branch doesn't work. com/kbressem/LongHealth. This is because pip can install torch with separate library 文章浏览阅读1. Version 0. Not long ago, it did without problem, but then I tried to fix 如果报 ModuleNotFoundError: No module named 'verl'，请检查： 是否在 verl/ 目录下执行 pip install -e . 5. [Installation]: no version of pip install vllm works - Failed to initialize NumPy: No Module named 'numpy' #11037 [Bug]: Run Qwen3-VL-8B-Instruct failed, No module named 'vllm. Fast, open-source and secure language models. 1. @werruww I think vllm not support windows at the moment. 12 (latest version), I got I am trying to run Vicuna 7B-16k on my local system. layers‘_modulenotfounderror: no module named 'vllm-CSDN博客 用代码改变世 This is because numpy recently released a breaking change (2. After I update my driver to 535. envs import environment_variables ModuleNotFoundError: No module File "/Users/wyattwong/GitHub/vllm/vllm/ init. After installing CUDA-supported torch, it started raising this error (but I’m not sure if it somehow connected with the torch version): No module named 'vllm.
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