https://huggingface.co/spaces/opendigital/agent-flow/resolve/main/src/backend/base/langflow/services/variable/constants.py
hf download hf://spaces/opendigital/agent-flow/src/backend/base/langflow/services/variable/constants.py
curl -L -o constants.py https://huggingface.co/spaces/opendigital/agent-flow/resolve/main/src/backend/base/langflow/services/variable/constants.py
