[Python] Does Nuitka onefile mode displays my python code in tracebacks?

Here is an example code:

while True: # here is a comment
pass


Here is my Python and Nuitka version:

D:\test>py -m nuitka --version
2.6.8
Commercial: None
Python: 3.8.2 (tags/v3.8.2:7b3ab59, Feb 25 2020, 22:45:29) [MSC v.1916 32 bit (Intel)]
Flavor: CPython Official
Executable: ~\AppData\Local\Programs\Python\Python38-32\python.exe
OS: Windows
Arch: x86
WindowsRelease: 10
Version C compiler: ~\AppData\Local\Nuitka\Nuitka\Cache\DOWNLO~1\gcc\x86\14.2.0posix-19.1.1-12.0.0-msvcrt-r2\mingw32\bin\gcc.exe (gcc 14.2.0).


I ran the command py -m nuitka --standalone --onefile test.py and finally got test.exe. Then I ran test.exe and pressed Ctrl+C in the windows terminal. I got a traceback like this:

Traceback (most recent call last):
File "C:\Users\User\AppData\Local\Temp\ONEFIL~3\test.py", line 1, in <module>
while True: # here is a comment
KeyboardInterrupt
^C


I found the source code even with the comment. But most people say that programs compiled by Nuitka is irreversible. So what's wrong?

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