trying to fix list of dictionaries

FIREBALL.py

@@ -73,7 +73,7 @@ class Fireball(datasets.GeneratorBasedBuilder):
                 "speaker_id": datasets.Value('int64'),
                 "before_utterances": datasets.Sequence(datasets.Value('string')), 
                 'combat_state_before': datasets.Sequence(
-                    { 
+                    {[
                     'name': datasets.Value(dtype='string'),
                     'hp': datasets.Value(dtype='string'),
                     'class': datasets.Value(dtype='string'),
@@ -84,7 +84,7 @@ class Fireball(datasets.GeneratorBasedBuilder):
                     'effects': datasets.Value(dtype='string'),
                     'description': datasets.Value(dtype='string'),
                     'controller_id': datasets.Value(dtype='string')
-                    }
+                     ]}
                 ), #list of dictionaries
                 'current_actor': { 
                     'name': datasets.Value(dtype='string'),
@@ -113,7 +113,7 @@ class Fireball(datasets.GeneratorBasedBuilder):
                     'controller_id': datasets.Value(dtype='string')
                 }, #dictionary
                 'targets_after': datasets.Sequence(
-                    { 
+                    {[
                     'name': datasets.Value(dtype='string'),
                     'hp': datasets.Value(dtype='string'),
                     'class': datasets.Value(dtype='string'),
@@ -124,10 +124,10 @@ class Fireball(datasets.GeneratorBasedBuilder):
                     'effects': datasets.Value(dtype='string'),
                     'description': datasets.Value(dtype='string'),
                     'controller_id': datasets.Value(dtype='string')
-                    }
+                     ]}
                 ), #list of dictionaries
                 'combat_state_after': datasets.Sequence(
-                    { 
+                    {[
                     'name': datasets.Value(dtype='string'),
                     'hp': datasets.Value(dtype='string'),
                     'class': datasets.Value(dtype='string'),
@@ -138,7 +138,7 @@ class Fireball(datasets.GeneratorBasedBuilder):
                     'effects': datasets.Value(dtype='string'),
                     'description': datasets.Value(dtype='string'),
                     'controller_id': datasets.Value(dtype='string')
-                    }
+                     ]}
                 ), #list of dictionaries
                 'after_utterances': datasets.Sequence(datasets.Value('string')), 
                 'utterance_history': datasets.Sequence(datasets.Value('string')),