Python break string in the middle space

acrPy_labelBreak.py

def FindLabel ( [NAZWA_OBIEKTU] ):
    label = [NAZWA_OBIEKTU]

    if (label.count('-') != 0):
        return '\n'.join([e.strip() for e in label.split('-')])
    
    lens=[n for n in range(len(label)) if label.find(' ', n) == n]
    abss = [abs(round(len(label)/2)-e) for e in lens]
    i=lens[abss.index(min(abss))]
    return '\n'.join([label[:i].strip(),label[i:].strip()])