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docs[patch]: add warning to token counter docstring (#30426)

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Vadym Barda 2025-03-21 18:59:40 -04:00 committed by GitHub
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libs/core/langchain_core/messages/utils.py
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@ -1529,6 +1529,9 @@ def count_tokens_approximately(
This is a simple approximation that may not match the exact token count
used by specific models. For accurate counts, use model-specific tokenizers.
Warning:
This function does not currently support counting image tokens.
.. versionadded:: 0.3.46
"""
token_count = 0.0