tools/examples: hardcode #!/usr/bin/python shebang
diff --git a/tools/mountsnoop.py b/tools/mountsnoop.py
index b6f96ca..eefb4ec 100755
--- a/tools/mountsnoop.py
+++ b/tools/mountsnoop.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # mountsnoop Trace mount() and umount syscalls.
 #            For Linux, uses BCC, eBPF. Embedded C.