checking

app.py

@@ -1,4 +1,16 @@
 import streamlit as st
+from PIL import Image
+import io
 
 x = st.slider('Select a value')
 st.write(x, 'square is ', x*x)
+
+uploaded_file = st.file_uploader('Enter an input sketch')
+
+if uploaded_file is None:
+    st.write('No Input file found. Please contact administrator')
+
+bytes_data = uploaded_file.getvalue()
+img = Image.open(io.BytesIO(bytes_data))
+
+st.image(img, caption='retrieved image')