Update app.py

debugging file uploader

app.py

@@ -111,7 +111,10 @@ with tab1:
 with tab2:
     # provide upload place
     uploaded_file = st.file_uploader("Choose a .txt file to upload", type=["txt","pdf"])
-    text = ""
+    
+    # Get the initial values of context and question
+    context = st.session_state.get("contextInput", "")
+    question = st.session_state.get("questionInput", "")
 
     # transfer file to context and allow ask question, then perform question answering 
     if uploaded_file is not None:
@@ -126,16 +129,16 @@ with tab2:
             raw_text = extract_text(temp_file.name)
             text = str(raw_text)
         
-    question = st.text_input(label="Enter your question")
-    context = st.text_area("Your essay context: ", value=text, height=330)
-
-    # perform question answering when "get answer" button clicked
-    button2 = st.button("Get answer", key="fileInput")
-    if button2:
-        if context=="" or question=="":
-            st.error ("Please enter BOTH the context and the question", icon="🚨")
-        else:
-            question_answering(context, question)
+        question = st.text_input(label="Enter your question", key="questionInput")
+        context = st.text_area("Your essay context: ", value=text, height=330, key="contextInput")
+
+        # perform question answering when "get answer" button clicked
+        button2 = st.button("Get answer", key="fileInput")
+        if button2:
+            if context=="" or question=="":
+                st.error ("Please enter BOTH the context and the question", icon="🚨")
+            else:
+                question_answering(context, question)
 
 st.markdown("<br><br><br><br><br>", unsafe_allow_html=True)