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-rw-r--r--Lib/importlib/_bootstrap_external.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py
index 616b17f..ef13fd2 100644
--- a/Lib/importlib/_bootstrap_external.py
+++ b/Lib/importlib/_bootstrap_external.py
@@ -227,6 +227,9 @@ _code_type = type(_write_atomic.__code__)
# MAGIC must change whenever the bytecode emitted by the compiler may no
# longer be understood by older implementations of the eval loop (usually
# due to the addition of new opcodes).
+#
+# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
+# in PC/launcher.c must also be updated.
MAGIC_NUMBER = (3350).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c