2.0 - esptool.py 2.0.1
Even though using the esptool 2.0-beta didn't yield any bugs (none that I'm aware of) it's still useful to move to official releases.
Anti-virus report (NodeMCU-PyFlasher-2.0.exe
file): https://www.virustotal.com/#/file/a53b82454080bbedee88e9c0feb7a4b4e1edb3a9161736c8d1023cd8aac2c8eb