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    ®©Zhµ  ã                   @   s,   d dl Z d dlZe  e¡Zdefdd„ZdS )é    NÚreturnc                  C   s"   t j d¡} | st d¡ dS | S )z)Get user agent from environment variable.Z
USER_AGENTzWUSER_AGENT environment variable not set, consider setting it to identify your requests.ZDefaultLangchainUserAgent)ÚosÚenvironÚgetÚlogÚwarning)Zenv_user_agent© r   ú[/var/www/html/lang_env/lib/python3.10/site-packages/langchain_community/utils/user_agent.pyÚget_user_agent   s   ÿr
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   r   r   r   r	   Ú<module>   s    
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