Update magic number for new bytecodes.

Author: markshannon

Lib/importlib/_bootstrap_external.py

@@ -274,6 +274,7 @@ def _write_atomic(path, data, mode=0o666):
 #     Python 3.9a0  3420 (add LOAD_ASSERTION_ERROR #34880)
 #     Python 3.9a0  3421 (simplified bytecode for with blocks #32949)
 #     Python 3.9a0  3422 (remove BEGIN_FINALLY, END_FINALLY, CALL_FINALLY, POP_FINALLY bytecodes #33387)
+#     Python 3.9a2  3423 (add IS_OP, CONTAINS_OP and JUMP_IF_NOT_EXC_MATCH bytecodes #39156)
 #
 # MAGIC must change whenever the bytecode emitted by the compiler may no
 # longer be understood by older implementations of the eval loop (usually
@@ -282,7 +283,7 @@ 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 = (3422).to_bytes(2, 'little') + b'\r\n'
+MAGIC_NUMBER = (3423).to_bytes(2, 'little') + b'\r\n'
 _RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little')  # For import.c
 
 _PYCACHE = '__pycache__'

PC/launcher.c

@@ -1247,6 +1247,7 @@ static PYC_MAGIC magic_values[] = {
     { 3360, 3379, L"3.6" },
     { 3390, 3399, L"3.7" },
     { 3400, 3419, L"3.8" },
+    { 3420, 3429, L"3.9" },
     { 0 }
 };
 
@@ -1830,7 +1831,7 @@ process(int argc, wchar_t ** argv)
 
 #if !defined(VENV_REDIRECT)
     /* bpo-35811: The __PYVENV_LAUNCHER__ variable is used to
-     * override sys.executable and locate the original prefix path. 
+     * override sys.executable and locate the original prefix path.
      * However, if it is silently inherited by a non-venv Python
      * process, that process will believe it is running in the venv
      * still. This is the only place where *we* can clear it (that is,