| import os | |
| from langchain_core.tracers import LangChainTracer | |
| from langchain_core.tracers.langchain import wait_for_all_tracers | |
| def get_tracer(): | |
| project = os.getenv("LANGCHAIN_PROJECT", "default-project") | |
| return LangChainTracer(project_name=project) | |
| def wait_for_tracers(): | |
| wait_for_all_tracers() | |