tools/examples: hardcode #!/usr/bin/python shebang
diff --git a/tools/oomkill.py b/tools/oomkill.py
index db3a537..16defe0 100755
--- a/tools/oomkill.py
+++ b/tools/oomkill.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # oomkill   Trace oom_kill_process(). For Linux, uses BCC, eBPF.
 #