Update app.py

app.py

@@ -50,10 +50,11 @@ if rus_buton:
 else:
     ingredients = st.text_area("Write the ingredients of the dish")
     recipe = st.text_area("Write the recipe")
-    servings = int(st.text_area("Write number of servings"))
-    data = pd.DataFrame({'TranslatedInstructions':[recipe],'TranslatedIngredients':[ingredients],'Servings': [servings]})
-    result_button = st.button('Click')
-    if result_button:
-        time = model.predict(data)[0]
-        st.write('The dish will be prepared')
-        st.write(int(time))
+    servings = st.text_area("Write number of servings")
+    if len(servings):
+        data = pd.DataFrame({'TranslatedInstructions':[recipe],'TranslatedIngredients':[ingredients],'Servings': [int(servings)]})
+        result_button = st.button('Click')
+        if result_button:
+            time = model.predict(data)[0]
+            st.write('The dish will be prepared')
+            st.write(int(time))