From ae1648437863aa322785dac60f33db86fa028e99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Brigitta=20Sip=C5=91cz?= <bsipocz@gmail.com>
Date: Tue, 17 May 2022 20:37:38 -0700
Subject: Addressing review for more cleanup and clarification

---
 numpy/lib/format.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'numpy/lib/format.py')

diff --git a/numpy/lib/format.py b/numpy/lib/format.py
index dfd50b393..625768b62 100644
--- a/numpy/lib/format.py
+++ b/numpy/lib/format.py
@@ -370,8 +370,7 @@ def _wrap_header(header, version):
     import struct
     assert version is not None
     fmt, encoding = _header_size_info[version]
-    if not isinstance(header, bytes):
-        header = header.encode(encoding)
+    header = header.encode(encoding)
     hlen = len(header) + 1
     padlen = ARRAY_ALIGN - ((MAGIC_LEN + struct.calcsize(fmt) + hlen) % ARRAY_ALIGN)
     try:
-- 
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