Update app.py

app.py

@@ -237,10 +237,10 @@ def deid(text, model, threshold):
     return [highlight_text for highlight_text in App._get_highlights(deid_text)], deid_text_remove
 
 recall_choices = ["No threshold", "99.5", "99.7"]
-recall_radio_input = gr.inputs.Radio(recall_choices, type="value", default=None, label='RECALL THRESHOLD')
+recall_radio_input = gr.inputs.Radio(recall_choices, type="value", default='No threshold', label='RECALL THRESHOLD')
 
 model_choices = list(App._get_model_map().keys())
-model_radio_input = gr.inputs.Radio(model_choices, type="value", default=None, label='DE-ID MODEL')
+model_radio_input = gr.inputs.Radio(model_choices, type="value", default='OBI-RoBERTa De-ID', label='DE-ID MODEL')
 
 title = 'DE-IDENTIFICATION OF ELECTRONIC HEALTH RECORDS'
 description = 'Models to remove private information (PHI/PII) from raw medical notes. The recall threshold (bias) can be used to remove PHI more aggressively.'