1 files changed, 1 insertions, 0 deletions

diff --git a/ex_0702.py b/ex_0702.py
index 0a314d7..5ac42b0 100755
--- a/ex_0702.py
+++ b/ex_0702.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import argparse
+import os
 import subprocess
 
 import matplotlib.pyplot as plt