Update app.py

app.py

@@ -5,9 +5,9 @@ st.write(x, 'squared is', x * x)
 
 uploaded_file = st.file_uploader("Upload File")
 if uploaded_file is not None:
-    file_details = {"FileName":image_file.name,"FileType":image_file.type}
+    file_details = {"FileName":uploaded_file.name,"FileType":uploaded_file.type}
     st.write(file_details)
-    with open(os.path.join("tempDir",image_file.name),"wb") as f: 
+    with open(os.path.join("tempDir",uploaded_file.name),"wb") as f: 
       f.write(uploaded_file.getbuffer())         
     st.success("Saved File")