langchain_core.utils.env.get_from_env¶
- langchain_core.utils.env.get_from_env(key: str, env_key: str, default: Optional[str] = None) str[source]¶
Get a value from a dictionary or an environment variable.
- Parameters
key (str) –
env_key (str) –
default (Optional[str]) –
- Return type
str