def get_minimum_allocatable_size():
 return int(environ.get('FLOCKER_FUNCTIONAL_TEST_MINIMUM_ALLOCATABLE_SIZE', GiB(1).to_Byte().value))

def get_minimum_allocatable_size ( ) : return int ( environ . get ( 'FLOCKER_FUNCTIONAL_TEST_MINIMUM_ALLOCATABLE_SIZE' , GiB ( 1 ) . to_Byte ( ) . value ) )
return the minimum supported volume size .