Fix reportPrivateImportUsage errors disappearing #11237
Open
+174
−2
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When a py.typed package was added to check paths (e.g., via command line), reportPrivateImportUsage errors would incorrectly disappear. This happened because addTrackedFile() was creating source files with isInPyTypedPackage=false without detecting the actual py.typed status.
The fix detects py.typed status using _getModuleImportInfoForFile() when adding tracked files, similar to how setFileOpened() already does. This ensures that files from py.typed packages are correctly marked even when added directly to check paths.
Added test case that reproduces the bug scenario with three packages where pkg_b re-imports from pkg_a without re-exporting, and pkg_c imports from pkg_b.