From d469967c0329bc508aaffaca2c1a6a7d5a694a44 Mon Sep 17 00:00:00 2001
From: msramalho <19508417+msramalho@users.noreply.github.com>
Date: Tue, 10 May 2022 22:24:21 +0200
Subject: [PATCH] fix index out of range for empty sheets

---
 utils/gworksheet.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/utils/gworksheet.py b/utils/gworksheet.py
index 6dec9b2..ec7fa3d 100644
--- a/utils/gworksheet.py
+++ b/utils/gworksheet.py
@@ -24,9 +24,12 @@ class GWorksheet:
 
     def __init__(self, worksheet, columns=COLUMN_NAMES, header_row=1):
         self.wks = worksheet
-        self.values = self.wks.get_values()
-        self.headers = [v.lower() for v in self.values[header_row - 1]]
         self.columns = columns
+        self.values = self.wks.get_values()
+        if len(self.values) > 0:
+            self.headers = [v.lower() for v in self.values[header_row - 1]]
+        else:
+            self.headers = []
 
     def _check_col_exists(self, col: str):
         if col not in self.columns: