lofty@ramen:~/runelord/gateware/runelord$ python3 sd.py
Traceback (most recent call last):
  File "sd.py", line 260, in <module>
    print(verilog.convert(SDCardController()))
  File "/usr/local/lib/python3.7/dist-packages/nmigen-0.2.dev7+g7df7005-py3.7.egg/nmigen/back/verilog.py", line 76, in convert
    rtlil_text = rtlil.convert(*args, **kwargs)
  File "/usr/local/lib/python3.7/dist-packages/nmigen-0.2.dev7+g7df7005-py3.7.egg/nmigen/back/rtlil.py", line 1008, in convert
    fragment = ir.Fragment.get(elaboratable, platform).prepare(**kwargs)
  File "/usr/local/lib/python3.7/dist-packages/nmigen-0.2.dev7+g7df7005-py3.7.egg/nmigen/hdl/ir.py", line 67, in get
    obj = obj.elaborate(platform)
  File "/usr/local/lib/python3.7/dist-packages/nmigen-0.2.dev7+g7df7005-py3.7.egg/nmigen/hdl/dsl.py", line 484, in elaborate
    fragment.add_subfragment(Fragment.get(self._named_submodules[name], platform), name)
  File "/usr/local/lib/python3.7/dist-packages/nmigen-0.2.dev7+g7df7005-py3.7.egg/nmigen/hdl/ir.py", line 67, in get
    obj = obj.elaborate(platform)
TypeError: elaborate() takes 1 positional argument but 2 were given