Could not replicate intermittent occurrence of #34. Made a small chan…

…ge, that should do the trick if the cursor behavior is changed by list()-ing it. Fixes #34.
JasperVanDenBosch · Sep 29, 2015 · b83ae1b · b83ae1b
1 parent 214d237
commit b83ae1b
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/niprov/mongo.py b/niprov/mongo.py
@@ -131,9 +131,10 @@ def statistics(self):
                    'count': { '$sum': 1 }
                  }
             }])
-        if len(list(grps)) == 0:
+        groups = list(grps)
+        if len(list(groups)) == 0:
             return {'count':0}
-        return list(grps)[0]
+        return list(groups)[0]
 
     def byId(self, uid):
         record = self.db.provenance.find_one({'id':uid})