From a48499c136513723b58fa62df4156ad030bc14a5 Mon Sep 17 00:00:00 2001
From: Dimitri Papadopoulos
 <3234522+DimitriPapadopoulos@users.noreply.github.com>
Date: Thu, 5 Mar 2026 10:28:42 +0100
Subject: [PATCH] Use `is` to compare types

This is consistent with other similar checks in the code base.
---
 tabulate/__init__.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tabulate/__init__.py b/tabulate/__init__.py
index 249b3ff..5e766bf 100644
--- a/tabulate/__init__.py
+++ b/tabulate/__init__.py
@@ -126,13 +126,11 @@ def _is_separating_line_value(value):
 
 def _is_separating_line(row):
     row_type = type(row)
-    is_sl = (row_type == list or row_type == str) and (
+    return (row_type is list or row_type is str) and (
         (len(row) >= 1 and _is_separating_line_value(row[0]))
         or (len(row) >= 2 and _is_separating_line_value(row[1]))
     )
 
-    return is_sl
-
 
 def _pipe_segment_with_colons(align, colwidth):
     """Return a segment of a horizontal line with optional colons which