Update app.py

app.py

@@ -119,15 +119,16 @@ def main():
   query = st.text_input("Enter your query:")
   
   try:
-    with st.spinner("Searching..."):
-      results = show_model(query)
-      
-        #Output passages & scores
-    for doc, score, title in results[:10]:
-      st.write("Score: ", score)
-      st.write("Title:", title)
-      st.write("Abstract:", abstract)
-      st.write("---")
+    if query != "":
+      with st.spinner("Searching..."):
+        results = show_model(query)
+        
+          #Output passages & scores
+      for doc, score, title in results[:10]:
+        st.write("Score: ", score)
+        st.write("Title:", title)
+        st.write("Abstract:", abstract)
+        st.write("---")
       
   except EOFError:
     pass