@Override
            public void visitPyReferenceExpression(@NotNull PyReferenceExpression expr) {
              final PyExpression qualifier = expr.getQualifier();
              if (qualifier != null) {
                qualifier.accept(this);
                return;
              }
              final String name = expr.getName();
              if (name != null) {
                analyzeReadsInScope(name, owner, instructions, startInstruction, pyString);
              }
            }
@Override
            public void visitPyReferenceExpression(@NotNull PyReferenceExpression expr)