--- a/bio2srr.py	Sun May 05 23:32:17 2024 -0400
+++ b/bio2srr.py	Sun May 05 23:47:10 2024 -0400
@@ -4,8 +4,17 @@
 import sys
 import csv
 
-
-from itertools import batched
+try:
+    from itertools import batched
+except ImportError:
+    def batched(iterable, n):
+        "Batch data into tuples of length n. The last batch may be shorter."
+        # batched('ABCDEFG', 3) --> ABC DEF G
+        if n < 1:
+            raise ValueError('n must be at least one')
+        it = iter(iterable)
+        while batch := tuple(islice(it, n)):
+            yield batch
 from functools import cmp_to_key
 from time import sleep
 from xml.etree import ElementTree as xml