lps_gen.py: Update main.

* lps_gen.py (main): Barf informational message on exit 1.

1 files changed, 1 insertions, 1 deletions

diff --git a/lps_gen.py b/lps_gen.py
index 48a82a8..0adfc75 100644
--- a/lps_gen.py
+++ b/lps_gen.py
@@ -664,7 +664,7 @@ def main():
             LPiCal(lp_dict, args.ical).to_ical()
 
     else:
-        exit(1)
+        exit('Unable to read LP markdown')
 
     if lp_html:
         # stdout lps html