Update app.py

app.py

@@ -180,8 +180,8 @@ if uploaded_file is not None:
     with col5: decompose = st.button('Decompose')
 
     with col6:
-        with open("blank.txt", 'wrb') as f:
-            res = f.read()
+        with open("blank.txt", 'w') as f: pass
+        with open("blank.txt", 'rb') as f: res = f.read()
         st.markdown("")
         st.markdown("")
         # st.markdown("""<style>[data-baseweb="select"] {margin-top: 16px;}</style>""", unsafe_allow_html=True)