diff --git a/VERSION b/VERSION
index 75146f1f..60ae417d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.16.1-stable+timestamp.2018.05.01.21.42.57
+Version 2.16.1-stable+timestamp.2018.05.24.15.00.45
diff --git a/gluon/packages/dal b/gluon/packages/dal
index b6520165..c954d1a2 160000
--- a/gluon/packages/dal
+++ b/gluon/packages/dal
@@ -1 +1 @@
-Subproject commit b652016533661b43fc49e48ab3112e6c684ba627
+Subproject commit c954d1a22a0b83d90f728a4ab2daaa954e3f16c8
diff --git a/gluon/tests/test_validators.py b/gluon/tests/test_validators.py
index 7d66fa8e..6ffc8902 100644
--- a/gluon/tests/test_validators.py
+++ b/gluon/tests/test_validators.py
@@ -765,9 +765,9 @@ class TestValidators(unittest.TestCase):
         rtn = IS_LIST_OF(IS_INT_IN_RANGE(0, 10))(1)
         self.assertEqual(rtn, ([1], None))
         rtn = IS_LIST_OF(IS_INT_IN_RANGE(0, 10), minimum=10)([1, 2])
-        self.assertEqual(rtn, ([1, 2], 'Enter between 10 and 100 values'))
+        self.assertEqual(rtn, ([1, 2], 'Minimum length is 10'))
         rtn = IS_LIST_OF(IS_INT_IN_RANGE(0, 10), maximum=2)([1, 2, 3])
-        self.assertEqual(rtn, ([1, 2, 3], 'Enter between 0 and 2 values'))
+        self.assertEqual(rtn, ([1, 2, 3], 'Maximum length is 2'))
         # regression test for issue 742
         rtn = IS_LIST_OF(minimum=1)('')
         self.assertEqual(rtn, ([], 'Enter between 1 and 100 values'))
diff --git a/gluon/validators.py b/gluon/validators.py
index 3659e82d..3a70d585 100644
--- a/gluon/validators.py
+++ b/gluon/validators.py
@@ -2568,8 +2568,7 @@ class IS_DATETIME_IN_RANGE(IS_DATETIME):
 
 class IS_LIST_OF(Validator):
 
-    def __init__(self, other=None, minimum=None, maximum=None,
-                 error_message=None):
+    def __init__(self, other=None, minimum=None, maximum=None, error_message=None):                 
         self.other = other
         self.minimum = minimum
         self.maximum = maximum