Update app.py (#17)

- Update app.py (7d84c5d9b329c6a6299f22ecdaa735e78c2936fe)

app.py

@@ -89,19 +89,23 @@ col1, col2 = st.columns(2)
 with col1:
     input_text = st.text_input(
         "한글로만 입력해주세요",
-        value = "밥은 먹고다니냐?",
+        value = "밥은 먹고 다녀",
     )
 with col2:
     model_variant = st.selectbox("목소리 선택해주세요", options = ["KSS", "감기걸린 은식"], index = 1)
+    
+button_change = st.button("Change Vocie") 
+if button_change == True:
     if model_variant != st.session_state.model_variant:
-        # Update variant choice
-        update_session_state("model_variant", model_variant)
-        # Re-load model
-        update_model()
-        st.snow()
-        
+    # Update variant choice
+    update_session_state("model_variant", model_variant)
+    # Re-load model
+    update_model()
+    st.snow()
+    
 noise_scale = st.slider('noise를 추가합니다.', 0., 2., value = 0.33, step = 0.01)
 length_scale = st.slider('속도를 조절합니다.', 0., 2., value = 1., step = 0.01)
+
 button_gen = st.button("Generate Voice")
 if button_gen == True:
     voice = st.session_state.TTS.inference(input_text, noise_scale, length_scale)