Update app.py

app.py

@@ -668,7 +668,7 @@ with gr.Blocks(css=open("styles.css", "r").read(), theme="soft") as app:
                 gr.update(visible=True),           # main_panel
                 gr.update(visible=False),          # login_page
                 gr.update(visible=True),           # header_row
-                gr.update(choices=prev_choices),   # previous_patient
+                gr.update(choices=prev_choices, value=None),   # previous_patient
                 "",                                # patient_name_input
                 None,                              # age_input
                 None,                              # gender_input
@@ -699,7 +699,7 @@ with gr.Blocks(css=open("styles.css", "r").read(), theme="soft") as app:
                 gr.update(),                       # main_panel
                 gr.update(),                       # login_page
                 gr.update(),                       # header_row
-                gr.update(choices=prev_choices, value=None),   # previous_patient (cleared)
+                gr.update(choices=[], value=None),   # previous_patient (cleared)
                 "",                                # patient_name_input
                 None,                              # age_input
                 None,                              # gender_input