1 files changed, 6 insertions, 1 deletions
diff --git a/tools/readlink.py b/tools/readlink.py
index 02c74c48d..0199ce184 100755
--- a/tools/readlink.py
+++ b/tools/readlink.py
@@ -7,7 +7,12 @@ platforms.
 
 """
 from __future__ import print_function
+
 import os
 import sys
 
-print(os.path.realpath(sys.argv[1]))
+def main(link):
+    return os.path.realpath(link)
+
+if __name__ == '__main__':
+    print(main(sys.argv[1]))