Running the script is giving the error: File "cursesBW.py", line 68, in _handle_bandwidth_event _render_graph(window, bandwidth_rates) File "cursesBW.py", line 78, in _render_graph label = "Downloaded (%s/s):" % str_tools.size_label(download_rates[0], 1) AttributeError: 'module' object has no attribute 'size_label' After seeking, I found the symbol definition of 'get_size_label' in: /usr/lib/python2.7/dist-packages/stem/util/str_tools.py I substituted 'size_label' by 'get_size_label' and it worked. **Trac**: **Username**: Lluis Sala