My commit

aphantasia_drawing_dataset.py

@@ -169,14 +169,14 @@ class AphantasiaDrawingDataset(datasets.GeneratorBasedBuilder):
               img = Image.open(io.BytesIO(img_byt))
               subjects_data[sub]["drawings"][room]["perception"] = img
             else:
-              subjects_data[sub]["drawings"][room]["perception"] = np.nan
+              subjects_data[sub]["drawings"][room]["perception"] = None
 
             if subjects_data[sub]["drawings"][room]["memory"] != "":
               img_byt = base64.b64decode(subjects_data[sub]["drawings"][room]["memory"])
               img = Image.open(io.BytesIO(img_byt))
               subjects_data[sub]["drawings"][room]["memory"] = img
             else:
-              subjects_data[sub]["drawings"][room]["memory"] = np.nan
+              subjects_data[sub]["drawings"][room]["memory"] = None
 
           for room in subjects_data[sub]["image"].keys():
             img_byt = base64.b64decode(subjects_data[sub]["image"][room])