Log Message:
py-tqdm: updated to 4.47.0

tqdm v4.47.0 stable

add contrib.discord (similar to contrib.telegram)
add contrib.bells to auto-enable all extras
add contrib.utils_worker for common slow tasks (e.g. web I/O)
fix lazy large memory usage & discard unsent messages (unprocessed tasks)
fix slow notebook imports
fix gui TypeError on unknown len()
misc documentation/error message updates
more succinct ImportError on missing ipywidgets
fix broken/deprecated link
add inline usage for contrib.discord and contrib.telegram
misc framework updates
add official py3.8 support
fix snap builds