X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDX%2FTraceFormatter.pm;h=f23cc6781c9fa345450283669e390e34f6dbded6;hb=2548ce615db02d9ebd44d15359c1220aaf06798f;hp=bd6ea47416453326a55f8817ac85a8e01e7730fc;hpb=f69aaaffa3d5d090440794721e00cf8fc212ee88;p=scpubgit%2FDX.git

diff --git a/lib/DX/TraceFormatter.pm b/lib/DX/TraceFormatter.pm
index bd6ea47..f23cc67 100644
--- a/lib/DX/TraceFormatter.pm
+++ b/lib/DX/TraceFormatter.pm
@@ -8,7 +8,7 @@ our $WS;
 our $Extra = 0;
 
 has ambient_indent_level => (
-  is => 'rwp', lazy => 1, clearer => 1, default => 0
+  is => 'rwp', lazy => 1, clearer => 1, default => 0, isa => Int
 );
 
 sub indent_by { '    ' }