matplotlib>=3.2.0
numpy>=1.16.0
pandas>=1.0.0
python-dotenv>=0.19.0
backports.zoneinfo>=0.2.1; python_version < '3.9'

# 선택적: helper_google_driver.empty_drive_trash()에서만 필요 (Colab 전용)
google-api-python-client>=2.0.0
