@Override
        protected boolean isSearchForTextOccurrencesAvailable(@NotNull PsiElement psiElement, boolean isSingleFile) {
          return ((PyFindUsagesHandler)base).isSearchForTextOccurrencesAvailable(psiElement, isSingleFile);
        }
@Override
        protected boolean isSearchForTextOccurrencesAvailable(@NotNull PsiElement psiElement, boolean isSingleFile)