From 0bbeed572609d174a51552243fe5a7848d4f61d3 Mon Sep 17 00:00:00 2001
From: hauntsaninja <hauntsaninja@gmail.com>
Date: Sun, 29 Dec 2024 19:04:50 -0800
Subject: [PATCH] Enable strict_bytes by default

---
 mypy/main.py    | 6 +++---
 mypy/options.py | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/mypy/main.py b/mypy/main.py
index 9873907ddf03a..241a37dc2cc0d 100644
--- a/mypy/main.py
+++ b/mypy/main.py
@@ -870,9 +870,9 @@ def add_invertible_flag(
     )
 
     add_invertible_flag(
-        "--strict-bytes",
-        default=False,
-        strict_flag=False,
+        "--no-strict-bytes",
+        default=True,
+        dest="strict_bytes",
         help="Disable treating bytearray and memoryview as subtypes of bytes",
         group=strictness_group,
     )
diff --git a/mypy/options.py b/mypy/options.py
index eb3d389b5d8a5..4d79d6b2d4393 100644
--- a/mypy/options.py
+++ b/mypy/options.py
@@ -217,7 +217,7 @@ def __init__(self) -> None:
         self.strict_equality = False
 
         # Disable treating bytearray and memoryview as subtypes of bytes
-        self.strict_bytes = False
+        self.strict_bytes = True
 
         # Deprecated, use extra_checks instead.
         self.strict_concatenate = False