python/ovs/db/types: Fix English grammar for enums with one member.

[sliver-openvswitch.git] / python / ovs / db / types.py

diff --git a/python/ovs/db/types.py b/python/ovs/db/types.py
index 5865acd..bd1c259 100644 (file)
--- a/python/ovs/db/types.py
+++ b/python/ovs/db/types.py
@@ -287,7 +287,9 @@ class BaseType(object):
         if self.enum:
             literals = [value.toEnglish(escapeLiteral)
                         for value in self.enum.values]
-            if len(literals) == 2:
+            if len(literals) == 1:
+                english = 'must be %s' % (literals[0])
+            elif len(literals) == 2:
                 english = 'either %s or %s' % (literals[0], literals[1])
             else:
                 english = 'one of %s, %s, or %s' % (literals[0],