[clang] [clang][Python] Apply type annotations to Python (PR #173845)

[Vlad Serebrennikov via cfe-commits]

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@@ -537,21 +542,17 @@ def format(self, options=None):
         """
         if options is None:
             options = conf.lib.clang_defaultDiagnosticDisplayOptions()
-        if options & ~Diagnostic._FormatOptionsMask:
+        if options and options & ~Diagnostic._FormatOptionsMask:
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Endilll wrote:

This seems like a functional change to me. Why is this needed?

https://github.com/llvm/llvm-project/pull/173845