Вы можете добиться того же, используя list comprehension
# Input - Just to divide your data into 3 lines
data = """aImIroawi/ADJ TIOIna/N ::/PUN
qIdImi/PRE bIzuHI/ADJ OametatI/N "/PUN aImIroawi/ADJ sInIkIlIna/N bIganEnI/N
weyI/CON IkeyI/ADJ menafIsIti/N iyu/V_AUX zImexII/V_REL "/PUN zIbIlI/V_REL 4. gIguyI/ADJ ameleKaKIta/N neyIru/V_GER ::/PUN"""
# I have splitted the data with `\n` for getting each line, then with `space` to get
# each word and added it to a list and inside the list I splitted the data using `/`
# to get each word inside a tuple
res = [[tuple(i.split("/")) for i in line.split(" ")] for line in data.split("\n")]
print (res)
# Result
# [[('aImIroawi', 'ADJ'), ('TIOIna', 'N'), ('::', 'PUN')], [('qIdImi', 'PRE'), ('bIzuHI', 'ADJ'), ('OametatI', 'N'), ('"', 'PUN'), ('aImIroawi', 'ADJ'), ('sInIkIlIna', 'N'), ('bIganEnI', 'N'), ('',)], [('weyI', 'CON'), ('IkeyI', 'ADJ'), ('menafIsIti', 'N'), ('iyu', 'V_AUX'), ('zImexII', 'V_REL'), ('"', 'PUN'), ('zIbIlI', 'V_REL'), ('4.',), ('gIguyI', 'ADJ'), ('ameleKaKIta', 'N'), ('neyIru', 'V_GER'), ('::', 'PUN')]]
Надеюсь, это поможет и будет иметь значение!