Yes, this has been the case for the past 2-3 days. I assume the scan detection rules have changed recently with an update because Windows Defender is going crazy when it used to be very calm. I did a scan on VirusTotal, with only 2 detections, and now there are 9 / 66. It's still not many, but still.
I advise you to take a look at the page on ModDB if you haven't already. There are quite a few comments that have come in, and I explain the reasons there.
Besides the fact that it's a Python script, which is already a frequent cause of false positives, the problem apparently is Nuitka, the library I use to compile the code, which seems to no longer be appreciated, even though it's supposed to be more compliant...
I've sent the file to Microsoft, but I imagine it will take some time...
I'm aware that this can be stressful (it is for me), but obviously, the program is clean. It's just another false positive.