cma.warnings_and_exceptions

module documentation

Undocumented

Exception	`NeverTestedWarning`	Feature has been implemented but never or poorly tested for correct results
Function	`filterwarning`	add warning filter but only if not already there (i.e. defined by the user),

def filterwarning(*args, **kwargs): ¶

add warning filter but only if not already there (i.e. defined by the user),

not clear why this works as expected.