| 123456789101112131415161718192021222324252627282930313233343536373839 | from pydantic.v1 import BaseSettingsclass LLMSettings(BaseSettings):    """    llm settings    """    OPENAI_API_BASE: str = ""    OPENAI_API_KEY: str = "xxxx"    LLM_MAX_STEP: int = 2    class Config(object):        env_file = ".env"class ToolSettings(BaseSettings):    """    tool settings    """    TOOL_WORKER_NUM: int = 200    TOOL_WORKER_EXECUTION_TIMEOUT: int = 180    BING_SEARCH_URL: str = "https://api.bing.microsoft.com/v7.0/search"    BING_SUBSCRIPTION_KEY: str = "xxxx"    WEB_SEARCH_NUM_RESULTS: int = 5    R2R_BASE_URL: str = "http://127.0.0.1:8000"    R2R_USERNAME: str = None    R2R_PASSWORD: str = None    R2R_SEARCH_LIMIT: int = 10    class Config(object):        env_file = ".env"tool_settings = ToolSettings()llm_settings = LLMSettings()
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