From 54c3b29793694e0ac453192587207c69d28c92c7 Mon Sep 17 00:00:00 2001
From: Paul Culley <paulr2787@gmail.com>
Date: Sat, 16 Mar 2019 21:26:06 -0500
Subject: [PATCH] fix finddupes tool when run from Match Threshold screen again
 (#790)

after merge.  Avoids HandleError because potentials dict is not
cleared.

Fixes #11044
---
 gramps/plugins/tool/finddupes.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gramps/plugins/tool/finddupes.py b/gramps/plugins/tool/finddupes.py
index 497692289..9008d970a 100644
--- a/gramps/plugins/tool/finddupes.py
+++ b/gramps/plugins/tool/finddupes.py
@@ -193,6 +193,7 @@ class DuplicatePeopleTool(tool.Tool, ManagedWindow):
         index = 0
         males = {}
         females = {}
+        self.map = {}
 
         length = self.db.get_number_of_people()