mem0ai/mem0 · error · ImportError

The 'ollama' library is required. Please install it using 'p

Error message

The 'ollama' library is required. Please install it using 'pip install ollama'.

What it means

Error "The 'ollama' library is required. Please install it using 'pip install ollama'." thrown in mem0ai/mem0.

Source

Thrown at mem0/llms/ollama.py:7

import json
from typing import Dict, List, Optional, Union

try:
    from ollama import Client
except ImportError:
    raise ImportError("The 'ollama' library is required. Please install it using 'pip install ollama'.")

from mem0.configs.llms.base import BaseLlmConfig
from mem0.configs.llms.ollama import OllamaConfig
from mem0.llms.base import LLMBase
from mem0.memory.utils import extract_json


class OllamaLLM(LLMBase):
    def __init__(self, config: Optional[Union[BaseLlmConfig, OllamaConfig, Dict]] = None):
        # Convert to OllamaConfig if needed
        if config is None:
            config = OllamaConfig()
        elif isinstance(config, dict):
            config = OllamaConfig(**config)
        elif isinstance(config, BaseLlmConfig) and not isinstance(config, OllamaConfig):
            # Convert BaseLlmConfig to OllamaConfig
            config = OllamaConfig(
                model=config.model,

View on GitHub (pinned to 001c235229)

Solutions

1. Install the dependency: pip install ollama.

When it happens

Trigger: Thrown at mem0/llms/ollama.py:7 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of mem0ai/mem0@001c235229 (2026-08-15). Data as JSON: /api/errors/2ec3dc09fab35572. Report an issue: GitHub.