fixed an issue with the searcher.

src/documents/index.py

@@ -1,4 +1,5 @@
 import logging
+from contextlib import contextmanager
 
 from django.db import models
 from django.dispatch import receiver
@@ -99,15 +100,19 @@ def remove_document_from_index(document):
         remove_document(writer, document)
 
 
+@contextmanager
 def query_page(ix, query, page):
-    with ix.searcher() as searcher:
+    searcher = ix.searcher()
+    try:
         query_parser = MultifieldParser(["content", "title", "correspondent"],
                                         ix.schema).parse(query)
         result_page = searcher.search_page(query_parser, page)
         result_page.results.fragmenter = highlight.ContextFragmenter(
             surround=50)
         result_page.results.formatter = JsonFormatter()
-        return result_page
+        yield result_page
+    finally:
+        searcher.close()
 
 
 def autocomplete(ix, term, limit=10):

src/documents/views.py

@@ -191,13 +191,12 @@ class SearchView(APIView):
             except (ValueError, TypeError):
                 page = 1
 
-            result_page = index.query_page(self.ix, query, page)
-
-            return Response(
-                {'count': len(result_page),
-                 'page': result_page.pagenum,
-                 'page_count': result_page.pagecount,
-                 'results': list(map(self.add_infos_to_hit, result_page))})
+            with index.query_page(self.ix, query, page) as result_page:
+                return Response(
+                    {'count': len(result_page),
+                     'page': result_page.pagenum,
+                     'page_count': result_page.pagecount,
+                     'results': list(map(self.add_infos_to_hit, result_page))})
 
         else:
             return Response({