fix: improve LiteLLM fallback error message for non-native providers #4263
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Fixes #4262 When using non-native providers like Groq with models that require LiteLLM, the error message was confusing: 'LiteLLM is not available, falling back to LiteLLM'. This commit: - Fixes the contradictory error message - Provides a clear, actionable error message that includes: - The model name that requires LiteLLM - Instructions on how to install LiteLLM (pip install 'crewai[litellm]') - Adds tests to verify the error message is helpful and includes the model name Co-Authored-By: João <joao@crewai.com>
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fix: improve LiteLLM fallback error message for non-native providers
Summary
Fixes #4262
When using non-native providers like Groq with models that require LiteLLM (e.g.,
groq/openai/gpt-oss-120b), the error message was confusing and contradictory:Before:
After:
The new error message:
Review & Testing Checklist for Human
Test Plan
LLM(model="groq/llama-3.1-70b-versatile")Notes