List<VirtualFile> (@NotNull Sdk sdk) { final SdkAdditionalData additionalData = sdk.getSdkAdditionalData(); final PythonSdkAdditionalData pythonAdditionalData = PyUtil.as(additionalData, PythonSdkAdditionalData.class); return pythonAdditionalData != null ? Lists.newArrayList(pythonAdditionalData.getAddedPathFiles()) : Collections.emptyList(); }