```
* Pass `sys.executable` when calling a python script via the subprocess
module
* Don't remove the log file while it is still open and written to
* Properly use os.pathsep and os.path.sep when modifying the PATH
environment variable
* util-tests: Use os.path.join for Windows compatibility
```
Backport of core PR11858
https://github.com/bitcoin/bitcoin/pull/11858/files