[clang] [libclang/python] Do not rely on `ctypes`' `errcheck` (PR #105490)

[Jannick Kremer via cfe-commits]

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@@ -424,7 +424,7 @@ def location(self):
 
     @property
     def spelling(self):
-        return conf.lib.clang_getDiagnosticSpelling(self)  # type: ignore [no-any-return]
+        return _CXString.from_result(conf.lib.clang_getDiagnosticSpelling(self))
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DeinAlptraum wrote:

This allows us to remove 30 out of the 98 existing `type: ignore [no-any-return]` statements

https://github.com/llvm/llvm-project/pull/105490