Update app.py

app.py

@@ -241,7 +241,7 @@ if __name__ == "__main__":
         )
 
         examples = gr.Examples(
-        	examples=[["", "human", "PBMC 100 cells"],["", "human", "PBMC 1000 cells"]],
+        	examples=[[file_input, "human", "PBMC 100 cells"],[file_input, "human", "PBMC 1000 cells"]],
         	inputs=[file_input, species_input, default_dataset_input],
             outputs=[image_output, file_output, pred_output],
         	fn=main,