From 0d50f230224aa97303cf340a6d7694d431527711 Mon Sep 17 00:00:00 2001
From: James McKinney <26463+jpmckinney@users.noreply.github.com>
Date: Wed, 26 Jun 2024 11:12:08 -0400
Subject: [PATCH] fix: Apply null character filter on configuration sheet

---
 CHANGELOG.md         | 7 +++++++
 flattentool/input.py | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b0ab3b..86f002f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [0.24.3]
+
+### Fixed
+
+- Ignore null characters in the input CSV file when reading configuration from the header rows
+  https://github.com/OpenDataServices/flatten-tool/pull/446
+
 ## [0.24.2] - 2024-06-12
 
 ### Fixed
diff --git a/flattentool/input.py b/flattentool/input.py
index 8aacdce..524b4c2 100644
--- a/flattentool/input.py
+++ b/flattentool/input.py
@@ -677,7 +677,7 @@ def get_sheet_configuration(self, sheet_name):
         with open(
             os.path.join(self.input_name, sheet_name + ".csv"), encoding=self.encoding
         ) as main_sheet_file:
-            r = csvreader(main_sheet_file)
+            r = csvreader(NullCharacterFilter(main_sheet_file))
             heading_row = next(r)
         if len(heading_row) > 0 and heading_row[0] == "#":
             return heading_row[1:]