Update app.py

app.py

@@ -2,7 +2,15 @@ from model_functions import *
 from preprocessor import *
 import streamlit as st
 import pandas as pd
+from streamlit.hashing import _CodeHasher
 
+# Create a hasher object
+hasher = _CodeHasher()
+
+@st.cache_data(hash_funcs={Streamlit: lambda x: hasher(x.write)})
+def load_example_file(file):
+    with open(file, "rb") as f:
+        return f.read()
 
 
 def main():
@@ -22,9 +30,10 @@ def main():
         "Example 2": "example2.zip",
         "Example 3": "example3.zip"
     }
+    
     for name, file in example_files.items():
-        with open(file, "rb") as f:
-            st.download_button(label=name, data=f, file_name=file, mime="application/zip")
+        data = load_example_file(file)
+        st.download_button(label=name, data=data, file_name=file, mime="application/zip")
     
 
     # File uploader