Bump the bytecode magic number.

Author: ericsnowcurrently

Lib/importlib/_bootstrap_external.py

@@ -356,6 +356,7 @@ def _write_atomic(path, data, mode=0o666):
 #     Python 3.11a1 3451 (Add CALL_METHOD_KW)
 #     Python 3.11a1 3452 (drop nlocals from marshaled code objects)
 #     Python 3.11a1 3453 (add co_fastlocalnames and co_fastlocalkinds)
+#     Python 3.11a1 3454 (compute cell offsets relative to locals bpo-43693)
 
 #
 # MAGIC must change whenever the bytecode emitted by the compiler may no
@@ -365,7 +366,7 @@ def _write_atomic(path, data, mode=0o666):
 # Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
 # in PC/launcher.c must also be updated.
 
-MAGIC_NUMBER = (3453).to_bytes(2, 'little') + b'\r\n'
+MAGIC_NUMBER = (3454).to_bytes(2, 'little') + b'\r\n'
 _RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little')  # For import.c
 
 _PYCACHE = '__pycache__'