temp: incorrect code to show a CPython bug

The expression `bytes.decode()` is wrong, it should be
`original_filename.decode()`.  But this fails with:
```
TypeError: decode() takes at least 0 positional arguments (-1 given)
```

coverage/inorout.py

@@ -305,6 +305,11 @@ def should_trace(self, filename: str, frame: Optional[FrameType] = None) -> TFil
 
         """
         original_filename = filename
+        if isinstance(original_filename, bytes):
+            print(f"{original_filename = }")
+            from coverage.debug import dump_stack_frames
+            dump_stack_frames()
+            original_filename = original_filename.decode()
         disp = disposition_init(self.disp_class, filename)
 
         def nope(disp: TFileDisposition, reason: str) -> TFileDisposition:

requirements/pins.pip

@@ -11,4 +11,4 @@
 # checking the Python version like that, should it?
 # https://github.com/pypa/packaging/issues/678
 # https://github.com/nedbat/coveragepy/issues/1556
-#setuptools<66.0.0
+setuptools<66.0.0

tox.ini

@@ -12,6 +12,7 @@ toxworkdir = {env:TOXWORKDIR:.tox}
 extras =
     toml
 package = editable
+download = true
 
 # PYVERSIONS
 deps =