题意:
ImportError: cannot import name 'Ollama' from 'llama_index.llms' (unknown location) - installing dependencies does not solve the problem
Python 无法从 llama_index.llms
模块中导入名为 Ollama
的类或函数
问题背景:
I want to learn LLMs. I run Ollama with the following Docker Compose file - it's running:
我想学习大型语言模型(LLMs)。我使用以下Docker Compose文件运行Ollama,并且它正在运行:
python
services:
ollama:
image: ollama/ollama:latest
ports:
- 11434:11434
volumes:
- ollama_data:/root/.ollama
healthcheck:
test: ollama list || exit 1
interval: 10s
timeout: 30s
retries: 5
start_period: 10s
ollama-models-pull:
image: curlimages/curl:8.6.0
command: >-
http://ollama:11434/api/pull -d '{"name": "mistral"}'
depends_on:
ollama:
condition: service_healthy
volumes:
ollama_data:
I would like to write a Python app, which will use ollama, and I found this piece of code:
我想编写一个使用Ollama的Python应用程序,我找到了以下代码片段:
python
from llama_index.llms import Ollama, ChatMessage
llm = Ollama(model="mistral", base_url="http://127.0.0.1:11434")
messages = [
ChatMessage(
role="system", content="you are a multi lingual assistant used for translation and your job is to translate nothing more than that."
),
ChatMessage(
role="user", content="please translate message in triple tick to french ``` What is standard deviation?```"
)
]
resp = llm.chat(messages=messages)
print(resp)
I installed all dependencies: 我安装了所有依赖
python
python3 -m venv venv
source venv/bin/activate
pip install llama-index
pip install llama-index-llms-ollama
pip install ollama-python
However, when I run the app, I got: 当我运行app时,得到以下信息:
python
Traceback (most recent call last):
File "/home/user/test.py", line 1, in <module>
from llama_index.llms import Ollama, ChatMessage
ImportError: cannot import name 'Ollama' from 'llama_index.llms' (unknown location)
where can be the problem? 问题可能在哪里?
问题解决:
The correct way to import Ollama
should be: 引入 ollama 的正确方式:
python
from llama_index.llms.ollama import Ollama
For ChatMessage
it should be: 引入 ChatMessage 的方式:
python
from llama_index.core.llms import ChatMessage