'TreeInstance' object has no attribute 'with_generics' when using typing.Literal["str"] return annotation on property about jedi HOT 4 OPEN

Thanks!

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@Carreau @davidhalter Can I help with this issue? Let me know if you have any ideas on fixing it.

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I think Literal needs special casing here. This is definitely something can and should do. We should however probably try to also catch the case where with_generics does not exist on v. (Essentially catch the AttributeError)

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This is affecting completion of pandas.Series objects as well.

import pandas as pd
from jedi import Interpreter

series = pd.Series([1,2,3])
code = 'series.'
ns = [{'series': series}]
Interpreter(code, ns).complete()

which raises the same error: AttributeError: 'TreeInstance' object has no attribute 'with_generics'

from jedi.