[clang] [libclang/python] Fix some type errors, add type annotations (PR #98745)

[Jannick Kremer via cfe-commits]

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@@ -43,7 +43,7 @@
 Most object information is exposed using properties, when the underlying API
 call is efficient.
 """
-from __future__ import absolute_import, division, print_function
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DeinAlptraum wrote:

All of these are already activated by default since Python 3.0. `annotations` is necessary though, for some of the type annotation features used in this PR

https://github.com/llvm/llvm-project/pull/98745