Removed Python 2 compatibility for schedule builder as it's obsolete

- Legacy-Id: 17896

ietf/meeting/management/commands/schedule_generator.py

@@ -7,11 +7,7 @@ import math
 import random
 import string
 from collections import defaultdict
-
-try:
-    from functools import lru_cache
-except ImportError:
-    from functools32 import lru_cache
+from functools import lru_cache
 
 from django.core.management.base import BaseCommand, CommandError
 from django.db.models import Q

requirements.txt

@@ -70,4 +70,3 @@ Unidecode>=0.4.18
 xml2rfc>=2.35.0
 xym>=0.4.4,!=0.4.7,<1.0
 #zxcvbn-python>=4.4.14		# Not needed until we do back-end password entropy validation
-functools32==3.2.3-2; python_version < '3'