fail when no arg provided

2026-06-10 16:12:04 -07:00 · 2022-11-07 09:11:25 +01:00
parent d3eb3cab9d
commit 71d6f737bd
1 changed files with 4 additions and 0 deletions
@@ -7,6 +7,10 @@ import time
 import matplotlib.pyplot as plt
 import pandas as pd

+if len(sys.argv) <= 1:
+   print('graph.py: Need an arg')
+   sys.exit()
+
 d = pd.read_json(sys.argv[1], orient="index")
 df = pd.DataFrame(d)