String (PsiElement element, PsiElement originalElement) { PsiFileSystemItem file = element instanceof PsiFileSystemItem ? (PsiFileSystemItem)element : element.getContainingFile(); if (PyNames.INIT_DOT_PY.equals(file.getName())) { file = file.getParent(); assert file != null; } Sdk sdk = PyBuiltinCache.findSdkForFile(file); VirtualFile vFile = file.getVirtualFile(); if (vFile != null && sdk != null && PythonSdkUtil.isStdLib(vFile, sdk)) { QualifiedName qName = QualifiedNameFinder.findCanonicalImportPath(element, originalElement); return getStdlibUrlFor(element, qName, sdk); } return null; }