gistfile1.txt

  File "/home/ktemkin/Projects/luna/luna/gateware/interface/serdes_phy/backends/ecp5.py", line 176, in elaborate
    m.d.next += "WRITE"
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/dsl.py", line 39, in __iadd__
    self._builder._add_statement(assigns, domain=self._domain, depth=self._depth)
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/dsl.py", line 486, in _add_statement
    for stmt in Statement.cast(assigns):
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/ast.py", line 1364, in cast
    return _StatementList(sum((Statement.cast(e) for e in obj), []))
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/ast.py", line 1364, in <genexpr>
    return _StatementList(sum((Statement.cast(e) for e in obj), []))
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/ast.py", line 1364, in cast
    return _StatementList(sum((Statement.cast(e) for e in obj), []))
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/ast.py", line 1364, in <genexpr>
    return _StatementList(sum((Statement.cast(e) for e in obj), []))
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/ast.py", line 1364, in cast
    return _StatementList(sum((Statement.cast(e) for e in obj), []))
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/ast.py", line 1364, in <genexpr>
  
  [snip]
  
  File "/home/ktemkin/Projects/nmigen/nmigen/hdl/ast.py", line 1363, in cast
    if isinstance(obj, Iterable):
  File "/usr/lib/python3.8/abc.py", line 98, in __instancecheck__
    return _abc_instancecheck(cls, instance)
RecursionError: maximum recursion depth exceeded while calling a Python object