code: def pytest_addoption(parser: pytest.Parser):
      group = parser.getgroup("streamlit")
  
      group.addoption(
          "--require-snowflake",
          action="store_true",
          help="only run tests that requires snowflake. ",
      )
  
file_path: streamlit/lib/tests/conftest.py
imports: import os
  import sys
  from unittest.mock import mock_open, patch
  import pytest
  from tests.constants import SNOWFLAKE_CREDENTIAL_FILE
label_desc: Use image node_id 1 for calling a global function with example usage: pytest_addoption(parser) without return types