-m trace --count missing lines

Bug report

Bug description:

def x() -> tuple[
        int,
]:
    return (1, 'fred')

x()

python 3.13 (good):

xju@xjutv:~/tmp$ python3 --version
Python 3.13.1
xju@xjutv:~/tmp$ rm -f xxx.cover
xju@xjutv:~/tmp$ python3 -m trace --count -m xxx.py
xju@xjutv:~/tmp$ cat xxx.cover
    2: def x() -> tuple[
    1:         int,
       ]:
    1:     return (1, 'fred')
       
    1: x()

python 3.14 (bad):

xju@xjutv:~/tmp$ python3 --version
Python 3.14.2
xju@xjutv:~/tmp$ rm -f xxx.cover
xju@xjutv:~/tmp$ python3 -m trace --count -m xxx.py
xju@xjutv:~/tmp$ cat xxx.cover
    1: def x() -> tuple[
>>>>>>         int,
       ]:
    1:     return (1, 'fred')
       
    1: x()

... trace._get_executable_linenos returns the same in both 3.13 and 3.14; seems that Trace.run does not see that the type hint is "executed"? Could equally have trace._get_executable_linenos not report the type hint... they just need to agree.

Above is about the simplest example I came up with, but similar disagreement with class attribute hints like:

class X:
  a: int

... a: int is reported as "not covered".

CPython versions tested on:

3.14

Operating systems tested on:

Linux

Linked PRs

• gh-143161

Reproduzca la discrepancia con el fragmento de Python y compare la salida de coverage de 3.13 y 3.14. Inspeccione trace.Trace.run y trace._get_executable_linenos, que el informe identifica como discrepantes respecto a las anotaciones ejecutadas. Se considera terminado cuando ambas rutas coinciden y las líneas con type hints, incluidas las de hints de atributos de clase, reciben resultados de coverage coherentes.