Update app.py

app.py

@@ -50,9 +50,9 @@ if option == "Extractive question answering":
     elif source == "I want to upload a file":
         uploaded_file = st.file_uploader("Choose a .txt file to upload", type=["txt"])
         if uploaded_file is not None:
-            with open(uploaded_file, "r") as text_file:
-                sample_text = text_file.read()
-            context = st.text_area("", value=sample_text, height=330)
+            stringio = StringIO(uploaded_file.getvalue().decode("utf-8"))
+            string_data = stringio.read()
+        context = st.text_area("", value=string_data, height=330)
         question = st.text_input(label="Enter your question")
         button = st.button("Get answer")
         if button: