empty text handler added

app.py

@@ -59,7 +59,7 @@ def inference(txt):
 def infer_and_display_result(txt):
     start_time = time()
 
-    res = inference(txt, mode=None)
+    res = inference(txt)
     res.sort(key = lambda x : - x[1])
     
     st.markdown("###Inference results:")    
@@ -93,14 +93,20 @@ st.write('test application for ML-2 class, YSDA-2022' )
 # st.markdown("<img width=200px src='https://i.pinimg.com/736x/11/33/19/113319f0ffe91f4bb0f468914b9916da.jpg'>", unsafe_allow_html=True)
 # st.markdown("###Predict topic by abstract.")
 
-text = st.text_area("ENTER ARTICLE TITLE OR ABSTRACT HERE")
+text1 = st.text_area("ENTER ARTICLE TITLE HERE")
+text2 = st.text_area("ENTER ARTICLE ABSTRACT HERE")
+text = text1 + ' ' + text2
+
 action = st.button('click here to infer topic')
     
 action2 = st.button('to uppercase')
 
-if action: 
-    model = build_model()
-    infer_and_display_result(text)
+if action:
+    if len(text) < 3:
+        st.write("this text is too short or empty. try again")
+    else:
+        model = build_model()
+        infer_and_display_result(text)
     
 if action2: 
     st.write(text.upper())