X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/6038a018b758e1a4babc5669df50622cd470df2f..c806ef1:/sdk/python/arvados/errors.py

diff --git a/sdk/python/arvados/errors.py b/sdk/python/arvados/errors.py
index 5ea54befde..85472d8cdf 100644
--- a/sdk/python/arvados/errors.py
+++ b/sdk/python/arvados/errors.py
@@ -1,5 +1,7 @@
 # errors.py - Arvados-specific exceptions.
 
+class ArgumentError(Exception):
+    pass
 class SyntaxError(Exception):
     pass
 class AssertionError(Exception):
@@ -12,3 +14,7 @@ class KeepWriteError(Exception):
     pass
 class NotImplementedError(Exception):
     pass
+class NoKeepServersError(Exception):
+    pass
+class StaleWriterStateError(Exception):
+    pass