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# Update this with your real OpenAI API key
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OPENAI_API_KEY=sk-YOUR_API_KEY
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# Uncomment and change to your OTLP endpoint
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# OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4317
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# OTEL_EXPORTER_OTLP_PROTOCOL=grpc
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OTEL_SERVICE_NAME=opentelemetry-python-langchain-zero-code |