Make sure that we have string-encoded integer value.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/delete_at.rb b/delete_at.rb
index c33f65a..1869476 100644
--- a/delete_at.rb
+++ b/delete_at.rb
@@ -18,7 +18,7 @@ module Puppet::Parser::Functions
 
     index = arguments[1]
 
-    if not index.match(/^\d+$/)
+    if index.is_a?(String) and not index.match(/^\d+$/)
       raise(Puppet::ParseError, 'delete_at(): You must provide ' +
         'positive numeric index')
     end