Very sluggish autocomplete with PyCall

```julia
julia> VERSION
v"1.12.0-DEV.357"

julia> using PyCall

julia> nn=pyimport("torch.nn")
PyObject <module 'torch.nn' from '/usr/local/lib/python3.10/dist-packages/torch/nn/__init__.py'>

julia> nn.Sequential(     # every character typed after this point causes the REPL to hang for ~30 seconds at 100% CPU
```