Traceback (most recent call last):
  File "/nix/python3-3.13.13/lib/python3.13/py_compile.py", line 144, in compile
    code = loader.source_to_code(source_bytes, dfile or file,
                                 _optimize=optimize)
  File "<frozen importlib._bootstrap_external>", line 1087, in source_to_code
  File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
  File "/w/foo.py", line 4
    if b=1 or b=3 or b=5 or b=7 or b=8 or b=10 or b=12:
       ^^^
SyntaxError: invalid syntax. Maybe you meant '==' or ':=' instead of '='?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
    import py_compile; py_compile.compile('/w/foo.py', '/w/foo', doraise=True)
                       ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/nix/python3-3.13.13/lib/python3.13/py_compile.py", line 150, in compile
    raise py_exc
py_compile.PyCompileError:   File "/w/foo.py", line 4
    if b=1 or b=3 or b=5 or b=7 or b=8 or b=10 or b=12:
       ^^^
SyntaxError: invalid syntax. Maybe you meant '==' or ':=' instead of '='?