Update deprecated bidict usages

supposedly · supposedly · commit 742c7e885399 · 2020-05-25T12:14:29.000-07:00
diff --git a/nutshell/segment_types/icons/icons.py b/nutshell/segment_types/icons/icons.py
@@ -15,7 +15,7 @@
 
 class IShouldntHaveToDoThisBidict(bidict.bidict):
     """Why is this not an __init__ parameter"""
-    on_dup_val = bidict.OVERWRITE
+    on_dup_val = bidict.DROP_OLD
 
 
 class Icon:
diff --git a/nutshell/segment_types/table/table.py b/nutshell/segment_types/table/table.py
@@ -27,8 +27,8 @@ def generate_cardinals(d):
 
 
 class Bidict(bidict.bidict):
-    on_dup_kv = bidict.IGNORE
-    on_dup_val = bidict.IGNORE
+    on_dup_kv = bidict.DROP_NEW
+    on_dup_val = bidict.DROP_NEW
 
 
 class TableSegment:
