X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/d5142a69848df7fa506b8cb16a76cb621598769a..9ac57b0bc6cb5d90da57c943df489401c63b7a7f:/sdk/python/arvados/keep.py

diff --git a/sdk/python/arvados/keep.py b/sdk/python/arvados/keep.py
index 1e0917244e..b2700ae5ba 100644
--- a/sdk/python/arvados/keep.py
+++ b/sdk/python/arvados/keep.py
@@ -76,7 +76,7 @@ class KeepLocator(object):
             return getattr(self, data_name)
         def setter(self, hex_str):
             if not arvados.util.is_hex(hex_str, length):
-                raise ValueError("{} must be a {}-digit hex string: {}".
+                raise ValueError("{} is not a {}-digit hex string: {}".
                                  format(name, length, hex_str))
             setattr(self, data_name, hex_str)
         return property(getter, setter)
@@ -929,7 +929,7 @@ class KeepClient(object):
         if isinstance(data, unicode):
             data = data.encode("ascii")
         elif not isinstance(data, str):
-            raise arvados.errors.ArgumentError("Argument 'data' to KeepClient.put must be type 'str'")
+            raise arvados.errors.ArgumentError("Argument 'data' to KeepClient.put is not type 'str'")
 
         data_hash = hashlib.md5(data).hexdigest()
         if copies < 1: