Update app.py

app.py

@@ -49,12 +49,14 @@ def check_password():
 if not check_password():
     st.stop()  # Do not continue if check_password is not True.
 
-def generate_zip(files):
+def generate_zip(filenames: list):
     """Generates a zip file containing the input files."""
     zip_buffer = io.BytesIO()
     with zipfile.ZipFile(zip_buffer, 'w') as zip_file:
-        for filename, file_content in files.items():
-            zip_file.writestr(filename, file_content)
+        for filename in filenames:
+            with open(filename, 'rb') as f:
+                file_content = f.read()
+                zip_file.writestr(filename, file_content)
     zip_buffer.seek(0)
     return zip_buffer