specify dtypes

ActivityNet_Captions.py

@@ -95,19 +95,21 @@ class ActivityNet(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, infos_file):
         """This function returns the examples."""
-   
+
         with open(infos_file, encoding="utf-8") as json_file:
             infos = json.load(json_file)
             for idx, id in enumerate(infos):
                 path = "https://www.youtube.com/watch?v=" + id[2:]
-                starts = [timestamp[0]
+                starts = [float(timestamp[0])
                           for timestamp in infos[id]["timestamps"]]
-                ends = [timestamp[1] for timestamp in infos[id]["timestamps"]]
+                ends = [float(timestamp[1])
+                        for timestamp in infos[id]["timestamps"]]
+                captions = [str(caption) for caption in infos[id]["sentences"]]
                 yield idx, {
                     "video_id": id,
                     "path": path,
-                    "duration": infos[id]["duration"],
+                    "duration": float(infos[id]["duration"]),
                     "starts": starts,
                     "ends": ends,
-                    "captions": infos[id]["sentences"],
+                    "captions": captions,
                 }