Add LITELLM_DISABLE_LAZY_LOADING env var to fix VCR cassette creation issue#18725
Merged
AlexsanderHamir merged 2 commits intomainfrom Jan 6, 2026
Merged
Add LITELLM_DISABLE_LAZY_LOADING env var to fix VCR cassette creation issue#18725AlexsanderHamir merged 2 commits intomainfrom
AlexsanderHamir merged 2 commits intomainfrom
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… (issue #18659) - Add opt-in environment variable LITELLM_DISABLE_LAZY_LOADING to disable lazy loading - When set, encoding is loaded at import time (pre-#18070 behavior) - This ensures tiktoken is initialized before VCR starts recording HTTP requests - Fixes issue where accessing litellm.encoding triggers HTTP request that breaks VCR - For now, only affects encoding as it was the only reported issue - Includes comprehensive tests
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Relevant issues
Fixes #18659
Pre-Submission checklist
Please complete all items before asking a LiteLLM maintainer to review your PR
tests/litellm/directory, Adding at least 1 test is a hard requirement - see detailsmake test-unitCI (LiteLLM team)
Branch creation CI run
Link: https://app.circleci.com/pipelines/github/BerriAI/litellm/53419/workflows/69fefb47-7556-4510-ad72-e6c1c40c1764
CI run for the last commit
Link: https://app.circleci.com/pipelines/github/BerriAI/litellm/53424/workflows/74aee344-bfd3-4f75-a366-07cf5f6fe5dc
Merge / cherry-pick CI run
Links:
Type
🐛 Bug Fix
🧹 Refactoring
Changes
LITELLM_DISABLE_LAZY_LOADINGto disable lazy loading