Set the Atla Insights environment to dev or prod to separate traces between development and production environments. 
import os
from atla_insights import configure

# Development environment
configure(token="<TOKEN>", environment="dev")

# Production environment (default)
configure(token="<TOKEN>", environment="prod")

# Via environment variable
os.environ["ATLA_INSIGHTS_ENVIRONMENT"] = "dev"
configure(token="<TOKEN>")  # Uses "dev" from env var