#NEWLINE# def __init__( self , match , words , i = None , j = None ) : #NEWLINE# #INDENT# assert isinstance ( i , type ( j ) ) #NEWLINE# self . _match = match #NEWLINE# self . _words = words #NEWLINE# self . _i = i #NEWLINE# self . _j = j #NEWLINE# self . _particles = { particle . name : particle for particle in match if isinstance ( particle , Particle ) }