MissingExtraError# class openstef_core.exceptions.MissingExtraError(extra: str, package: str = 'openstef-beam')[source]# Bases: Exception Exception raised when an extra is missing in the extras list. Parameters: extra (str) package (str) __init__(extra: str, package: str = 'openstef-beam')[source]# Initialize the exception with the name of the missing extra. Parameters: extra (str) – Name of the missing extra package. package (str) – Name of the package requiring the extra. extra package