tracker_service.py: evaluate dict items as a list

In python3 this is an iterator, which breaks when the dict
is modified. To avoid that, force it to be evaluated as a
list.

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/tracker_service.py b/bin/tracker_service.py
index 2dbfcd55f3..fd13b62534 100755
--- a/bin/tracker_service.py
+++ b/bin/tracker_service.py
@@ -37,7 +37,7 @@ def clean_dict(d):
     This alters the input so you may wish to ``copy`` the dict first.
     """
     # d.iteritems isn't used as you can't del or the iterator breaks.
-    for key, value in d.items():
+    for key, value in list(d.items()):
         if value is None:
             del d[key]
         elif isinstance(value, dict):