fix(helpers): restore tiktoken fallback in estimate_prompt_tokens_chain

2026-05-02 00:07:45 +08:00
parent fd1a5a6267
commit ee364c6ac1
1 changed files with 1 additions and 0 deletions
@@ -431,6 +431,7 @@ def estimate_prompt_tokens_chain(
            tokens, source = provider_counter(messages, tools, model)
            if isinstance(tokens, (int, float)) and tokens > 0:
                return int(tokens), str(source or "provider_counter")
+    estimated = estimate_prompt_tokens(messages, tools)
    if estimated > 0:
        return int(estimated), "tiktoken"
    return 0, "none"