added check on empty sequence to maxlen()

2020-06-30 21:10:40 +02:00
parent 52e8ae0c57
commit cdd085eabc
1 changed files with 2 additions and 0 deletions
@@ -16,6 +16,8 @@ def printable_dict(d, header=None):


 def maxlen(seq):
+    if not seq: # max of empty sequence is a ValueError
+        return 0
    return max(len(i) for i in seq)