Close temp files after opening

app.py

@@ -254,6 +254,9 @@ def generate_slide_deck(json_str: str):
         st.session_state[DOWNLOAD_FILE_KEY] = str(path)
         logger.debug('DOWNLOAD_FILE_KEY not found in session')
 
+        if temp:
+            temp.close()
+
     logger.debug('Creating PPTX file: %s...', st.session_state[DOWNLOAD_FILE_KEY])
 
     try:

helpers/pptx_helper.py

@@ -241,3 +241,5 @@ if __name__ == '__main__':
         output_file_path=path,
         slides_template='Blank'
     )
+
+    temp.close()

legacy_app.py

@@ -241,6 +241,9 @@ def generate_slide_deck(json_str: str, pptx_template: str, progress_bar) -> List
     with open(path, 'rb') as f:
         st.download_button('Download PPTX file', f, file_name='Presentation.pptx')
 
+    if temp:
+        temp.close()
+
     return all_headers