Use Python 3, not 2.

diff --git a/tests/coverage_dungeon.py b/tests/coverage_dungeon.py
index 97e642daa9f154e5853cf96e3776519c7043b9ca..439edad30ac1c2f7234c4b1e9bd6c4b2f89ab4a0 100755 (executable)
--- a/tests/coverage_dungeon.py
+++ b/tests/coverage_dungeon.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # This is the open-adventure dungeon text coverage report generator. It
 # consumes a YAML description of the dungeon and determines whether the