filter_manager: get prepared for iteration-can-modify

Signed-off-by: Jan Pokorný <[email protected]>
jnpkrn · Nov 3, 2017 · 850dbff · 850dbff
1 parent f888830
commit 850dbff
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/filter_manager.py b/filter_manager.py
@@ -38,7 +38,7 @@ def _init_plugins(cls, filters, fmt_mgr=None, **kwargs):
 
     @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