Quart-Schema is only compatible with Python 3.8 or higher and can be installed using pip or your favorite python package manager. At installation please specify if you want to use Quart-Schema with msgspec or pydantic. For example when using pip choose one of,

pip install quart-schema[msgspec]
pip install quart-schema[pydantic]

Installing quart-schema will install Quart if it is not present in your environment.