From 850dbffa60952f6affd127d1b779e4084bd83d12 Mon Sep 17 00:00:00 2001
From: Jan Pokorný <jpokorny@redhat.com>
Date: Nov 03 2017 20:58:01 +0000
Subject: filter_manager: get prepared for iteration-can-modify


Signed-off-by: Jan Pokorný <jpokorny@redhat.com>

---

diff --git a/filter_manager.py b/filter_manager.py
index 222d78e..75f7526 100644
--- a/filter_manager.py
+++ b/filter_manager.py
@@ -38,7 +38,7 @@ class FilterManager(PluginManager):
 
     @staticmethod
     def _resolve(formats, filters):
-        for flt_name, flt_cls in filters.items():
+        for flt_name, flt_cls in tuple(filters.items()):
             ret = flt_cls(formats)
             if ret is not None:
                 filters[flt_name] = ret