Enable strict_bytes by default

Author: hauntsaninja

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