unrecognized arguments: DFU Driver

[premanandaembed]

this is the command i used pydfuutil -d "pid:vid" -a "devname" -D "dfu_filepath" which is not working,
but same command in dfu-util it worked.

[o-murphy]

this is the command i used pydfuutil -d "pid:vid" -a "devname" -D "dfu_filepath" which is not working, but same command in dfu-util it worked.

1. Which version of original dfu-util are you use?
2. Show me a command example u uses

U have input vid and pid in format 0xFFFF:0xFFFF

pydfuutil -d "0xabcd:0x0123" -a "devname" -D ".\fw.bin"

[o-murphy]

this is the command i used pydfuutil -d "pid:vid" -a "devname" -D "dfu_filepath" which is not working, but same command in dfu-util it worked.

I just checked cli-tool arguments and got no issues. Can u provide me your console output?