Update app.py

app.py

@@ -23,8 +23,11 @@ SHOW_LESS = "Show less"
 
 
 def retrain(query, doc_id):
+    query = query.lower()
+    query.replace('\n', ' ')
+    query = ' '.join([query[i:i+4] for i in range(len(query)-3)])
     df = pd.DataFrame({
-        "Name": [query.replace('\n', ' ')],
+        "Name": [query],
         "RecipeId": [str(doc_id)]
     })