THRIFT-4505: Fix python build on Vagrant Windows boxes
Client: py

This closes #1499
diff --git a/lib/py/setup.py b/lib/py/setup.py
index 4056b9b..4c2877a 100644
--- a/lib/py/setup.py
+++ b/lib/py/setup.py
@@ -31,7 +31,10 @@
 # Fix to build sdist under vagrant
 import os
 if 'vagrant' in str(os.environ):
-    del os.link
+    try:
+        del os.link
+    except AttributeError:
+        pass
 
 include_dirs = ['src']
 if sys.platform == 'win32':