@@ -1939,7 +1939,7 @@ def get_groups_and_orders(args, grouper):
19391939 groups = {tuple (single_group_name ): df }
19401940 else :
19411941 grouped = df .groupby (grouper , sort = False )
1942- group_indices = grouped .groups
1942+ group_indices = grouped .indices
19431943 sorted_group_names = [g if len (grouper ) != 1 else (g ,) for g in group_indices ]
19441944
19451945 for i , col in reversed (list (enumerate (grouper ))):
@@ -1951,7 +1951,9 @@ def get_groups_and_orders(args, grouper):
19511951 else - 1 ,
19521952 )
19531953
1954- groups = {s : grouped .get_group (s ) for s in sorted_group_names }
1954+ groups = {
1955+ s : grouped .get_group (s if len (s ) > 1 else s [0 ]) for s in sorted_group_names
1956+ }
19551957 return groups , orders
19561958
19571959
@@ -2218,6 +2220,8 @@ def make_figure(args, constructor, trace_patch=None, layout_patch=None):
22182220 fig .update_layout (layout_patch )
22192221 if "template" in args and args ["template" ] is not None :
22202222 fig .update_layout (template = args ["template" ], overwrite = True )
2223+ for f in frame_list :
2224+ f ["name" ] = str (f ["name" ])
22212225 fig .frames = frame_list if len (frames ) > 1 else []
22222226
22232227 if args .get ("trendline" ) and args .get ("trendline_scope" , "trace" ) == "overall" :
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