Update app.py

app.py

@@ -25,6 +25,12 @@ from wavmark.utils import file_reader
 #     for p in predictions:
 #         col2.subheader(f"{ p['label'] }: { round(p['score'] * 100, 1)}%")
 
+def create_default_value():
+    if "def_value" not in st.session_state:
+        def_val_npy = np.random.choice([0, 1], size=32 - len_start_bit)
+        def_val_str = "".join([str(i) for i in def_val_npy])
+        st.session_state.def_value = def_val_str
+
 # Main web app
 def main():
     create_default_value()