def get_pg_env(dsn: str,
base_env: Optional[SysEnv] = None) -> Dict[str, str]:
""" Return a copy of `base_env` with the environment variables for
def get_pg_env(dsn: str,
base_env: Optional[SysEnv] = None) -> Dict[str, str]:
""" Return a copy of `base_env` with the environment variables for