import re with open('app/modules/sag/templates/detail.html', 'r', encoding='utf-8') as f: content = f.read() # Make the timetracking tab visible by adding it to standardModuleSet, or just removing the 'data-module="timetracking"' # Actually, the easiest way is to remove data-module="timetracking" and data-module-tab="timetracking" # Wait, if we remove it, the tab won't be hidden, which is good. content = content.replace('data-module-tab="timetracking"', '') content = content.replace('data-module="timetracking"', '') with open('app/modules/sag/templates/detail.html', 'w', encoding='utf-8') as f: f.write(content)