From 236d10bd17a4c074545c35bb4f9d614a394b95c5 Mon Sep 17 00:00:00 2001
From: JayHuLBL <jianjunhu@lbl.gov>
Date: Fri, 12 Apr 2024 13:23:30 -0700
Subject: [PATCH] reverted back the length check

---
 pyfunnel/pyfunnel.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyfunnel/pyfunnel.py b/pyfunnel/pyfunnel.py
index 3b7157a..9ce78c3 100755
--- a/pyfunnel/pyfunnel.py
+++ b/pyfunnel/pyfunnel.py
@@ -89,7 +89,7 @@
         data[s] = dict(x=[], y=[])
         with open(vars(args)[s]) as csvfile:
             spamreader = csv.reader(csvfile)
-            if (len(spamreader[0]) != 2):
+            if (len(next(spamreader)) != 2):
                 raise IOError("The {} CSV file must have exactly two columns.".format(s))
             for row in spamreader:
                 try: