Reverting back to None types

Based on weird-looking examples table

app.py

@@ -39,11 +39,11 @@ A page that features a table with multiple columns and rows""",
     ], 
     outputs=gr.Label(), 
     examples=[
-        ['Journalsdateboo00DeanZ_0177.jpg', ""], 
-        ["newmexicobotani00newmb_0084.jpg", ""],
-        ["easternareacrui00natic_0004.jpg", ""],
-        ["1945fieldnotesla00klau_0318.jpg", ""],
-        ["sturmsfiguresofp01stur_0263.jpg", ""]
+        ['Journalsdateboo00DeanZ_0177.jpg', None], 
+        ["newmexicobotani00newmb_0084.jpg", None],
+        ["easternareacrui00natic_0004.jpg", None],
+        ["1945fieldnotesla00klau_0318.jpg", None],
+        ["sturmsfiguresofp01stur_0263.jpg", None]
     ],
     description="Upload an image of a scanned document page, or choose one of the examples below",
     title="Zero-shot Image Classification of BHL Images"