Merge pull request photocrowd#40 from jaap3/patch-1

Only import Sequence from collections.abc

Author: patrick91

cursor_pagination.py

@@ -1,8 +1,5 @@
 from base64 import b64decode, b64encode
-try:
-    from collections.abc import Sequence
-except ImportError:
-    from collections import Sequence
+from collections.abc import Sequence
 
 from django.db.models import Field, Func, Value, TextField
 from django.utils.translation import gettext_lazy as _