[SHARE- ][Fix] Handle EmptyResultSets

Author: chrisseto

share/models/fuzzycount.py

@@ -1,11 +1,17 @@
 from django.db import connections
 from django.db.models import QuerySet, Manager
+from django.db.models.sql.datastructures import EmptyResultSet
 
 
 class FuzzyCountQuerySet(QuerySet):
     def count(self):
         cursor = connections[self.db].cursor()
-        cursor.execute('SELECT count_estimate(%s);', (cursor.mogrify(*self.query.sql_with_params()).decode(), ))
+
+        try:
+            cursor.execute('SELECT count_estimate(%s);', (cursor.mogrify(*self.query.sql_with_params()).decode(), ))
+        except EmptyResultSet:
+            return 0
+
         return int(cursor.fetchone()[0])
 
     def exact_count(self):