Update app.py

app.py

@@ -41,39 +41,40 @@ for msg in message_history:
 
 placeholder = st.empty()  # placeholder for latest message
 
-input = st.text_input("Ask me 🤗")
-message_history.append({"text":input, "is_user" : True})
-
 
+input = st.text_input("Ask me 🤗")
+if input:
+    message_history.append({"text":input, "is_user" : True})
 
-data, resp = query(
+    data, resp = query(
     {
         "inputs": {
             "question": input,
             "context": context,
         }
     }
-)
-
+    )
 
-if resp.status_code == 200:
 
-    model_answer = data["answer"]
-    for key in link_dict:
-        if key in model_answer:
-            url = link_dict[key]
-            response_templates = [f"I think that {model_answer} is the best task for this 🤩 Check out the page 👉🏼 {url}", f"I think you should use {model_answer} 🪄 Check it out here 👉🏼 {url}", f"I think {model_answer} should work for you 🤓 Check out the page 👉🏼 {url}"]
+    if resp.status_code == 200:
     
-            bot_answer = random.choice(response_templates)
-            message_history.append({"text":bot_answer, "is_user" : False})
-        else:
-            fallback_template = ["I didn't get the question 🧐 Could you please ask again? Try 'What should I use for detecting masks in an image?'",
-                                 "Hmm, not sure I know the answer, maybe you could ask differently? 🤓",
-                                 "Sorry, I didn't understand you, maybe you could ask differently? 🤓 Try asking 'What should I use to extract name in a document' 🤗"]
-            bot_answer = random.choice(fallback_template)
- 
-with placeholder.container():
-    last_message = message_history[-1]
-    if last_message != "":
-        message(last_message["text"], last_message["is_user"])
-      
+        model_answer = data["answer"]
+        for key in link_dict:
+            if key in model_answer:
+                url = link_dict[key]
+                response_templates = [f"I think that {model_answer} is the best task for this 🤩 Check out the page 👉🏼 {url}", f"I think you should use {model_answer} 🪄 Check it out here 👉🏼 {url}", f"I think {model_answer} should work for you 🤓 Check out the page 👉🏼 {url}"]
+        
+                bot_answer = random.choice(response_templates)
+                message_history.append({"text":bot_answer, "is_user" : False})
+            else:
+                fallback_template = ["I didn't get the question 🧐 Could you please ask again? Try 'What should I use for detecting masks in an image?'",
+                                     "Hmm, not sure I know the answer, maybe you could ask differently? 🤓",
+                                     "Sorry, I didn't understand you, maybe you could ask differently? 🤓 Try asking 'What should I use to extract name in a document' 🤗"]
+                bot_answer = random.choice(fallback_template)
+     
+    with placeholder.container():
+        last_message = message_history[-1]
+        if last_message != "":
+            message(last_message["text"], last_message["is_user"])
+          
+