Same issue here,
esptool.py v2.6
Found 1 serial ports
Serial port COM4
Connecting....
Chip is ESP32D0WDQ6 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
MAC: c4:4f:33:0a:0b:fd
Uploading stub...
Running stub...
Stub running...
Configuring flash...