Report: return on non existant tag number

1 files changed, 6 insertions, 1 deletions

diff --git a/scripts/report.py b/scripts/report.py
index b46fc0a..ae15994 100644
--- a/scripts/report.py
+++ b/scripts/report.py
@@ -68,7 +68,12 @@ class ReleaseReport(object):
         tags = [ tag for tag in tags if tag.startswith('v') ]
 
         release_tag = 'v' + self._version
-        i = tags.index(release_tag)
+        try:
+            i = tags.index(release_tag)
+        except ValueError:
+            print 'The tag you provided does not exist.'
+            return
+
         if i > 0:
             previous = tags[i - 1]
             interval = previous + '..' + release_tag