From 1e58df6110389360cd7eed005120c1d3597ff3b8 Mon Sep 17 00:00:00 2001
From: matthewhegarty <mrhegarty@gmail.com>
Date: Mon, 21 Feb 2022 15:55:19 +0000
Subject: [PATCH] added newline kwarg to StringIO (#517)

---
 src/tablib/utils.py  | 2 +-
 tests/test_tablib.py | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/tablib/utils.py b/src/tablib/utils.py
index 39de8ce4..97bae72e 100644
--- a/src/tablib/utils.py
+++ b/src/tablib/utils.py
@@ -7,7 +7,7 @@ def normalize_input(stream):
     file-like object.
     """
     if isinstance(stream, str):
-        return StringIO(stream)
+        return StringIO(stream, newline='')
     elif isinstance(stream, bytes):
         return BytesIO(stream)
     return stream
diff --git a/tests/test_tablib.py b/tests/test_tablib.py
index 0ee4e86d..46e562db 100755
--- a/tests/test_tablib.py
+++ b/tests/test_tablib.py
@@ -824,6 +824,14 @@ def test_csv_import_set_skip_lines(self):
         dataset = tablib.import_set(csv_text, format="csv", skip_lines=2)
         self.assertEqual(dataset.headers, ['id', 'name','description'])
 
+    def test_csv_import_mac_os_lf(self):
+        csv_text = (
+            'id,name,description\r'
+            '12,Smith,rounded\r'
+        )
+        dataset = tablib.import_set(csv_text, format="csv")
+        self.assertEqual(dataset.headers, ['id', 'name','description'])
+
     def test_csv_export(self):
         """Verify exporting dataset object as CSV."""