Flashing broken

[andreiw]

INFO:SoC:--------------------------------------------------------------------------------
Traceback (most recent call last):
File "/home/andreiw/src/litex/pcie_screamer/./pcie_screamer.py", line 156, in
main()
File "/home/andreiw/src/litex/pcie_screamer/./pcie_screamer.py", line 152, in main
prog = soc.platform.create_programmer()
File "/home/andreiw/src/litex/litex/litex/build/generic_platform.py", line 506, in create_programmer
raise NotImplementedError
NotImplementedError

... I was able to flash using the https://docs.lambdaconcept.com/screamer/programming.html directions, but looks like historically this worked in the past. Well, "was able to flash" is a bit of a stretch since the device doesn't seem to want to work...