From 14ecff6a0ed6b17873d04915fd7802bec92801f3 Mon Sep 17 00:00:00 2001
From: James Krieger <jamesmkrieger@gmail.com>
Date: Mon, 16 Oct 2023 14:13:38 +0100
Subject: [PATCH] extend parser fix to unary

---
 prody/atomic/select.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/prody/atomic/select.py b/prody/atomic/select.py
index 445dc44dd..a58ad749e 100644
--- a/prody/atomic/select.py
+++ b/prody/atomic/select.py
@@ -1403,6 +1403,7 @@ def _and2(self, sel, loc, tokens, subset=None):
                 elif token in UNARY:
                     unary.append([])
                     append = unary[-1].append
+                    wasdata = False
 
                     if token == 'not':
                         append((token,))