Update app.py

app.py

@@ -647,20 +647,22 @@ if __name__ == '__main__':
             st.divider()
         
             uploaded_files = st.file_uploader("Upload a file :", accept_multiple_files=True, type=['pptx', 'ppt'])
-            print(f'uploaded-files : {uploaded_files}')
-            if uploaded_files[-1] not in uploaded_files.deleted:
-                for uploaded_file in uploaded_files:
+            
+            for uploaded_file in uploaded_files:
+
+                file_name = os.path.basename(uploaded_file.name)
+                base_name, ext = os.path.splitext(file_name)
+                
+                if base_name not in st.session_state.df.loc['document'].tolist():
                     
                     processing_time = datetime.now().strftime('%d %b %Y, %I:%M %p')
-                    file_name = os.path.basename(uploaded_file.name)
-                    base_name, ext = os.path.splitext(file_name)
 
                     full_path = os.path.realpath(uploaded_file.name)
                     file_type = ext.lstrip('.')
                     
                     d = {
                         'icon': icon_to_types[file_type][0],
-                        'document': base_name, 
+                        'document': base_name,
                         'type': icon_to_types[file_type][1],
                         'path': full_path,
                         'time': [datetime.strptime(processing_time, '%d %b %Y, %I:%M %p')],