X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/c7b7e4d44e9349c9104fbfcd33c5e4b97fe17a71..e158f485053be1e840073b321033d60d686a55a8:/sdk/python/arvados/util.py

diff --git a/sdk/python/arvados/util.py b/sdk/python/arvados/util.py
index a474a94550..79692ae708 100644
--- a/sdk/python/arvados/util.py
+++ b/sdk/python/arvados/util.py
@@ -349,8 +349,8 @@ def is_hex(s, *length_args):
     """
     num_length_args = len(length_args)
     if num_length_args > 2:
-        raise ArgumentError("is_hex accepts up to 3 arguments ({} given)".
-                            format(1 + num_length_args))
+        raise errors.ArgumentError("is_hex accepts up to 3 arguments ({} given)"
+                                   .format(1 + num_length_args))
     elif num_length_args == 2:
         good_len = (length_args[0] <= len(s) <= length_args[1])
     elif num_length_args == 1: