System Info

>>>  import tqdm, sys
>>>  print(tqdm.__version__, sys.version, sys.platform)
4.28.1 3.6.7 |Anaconda, Inc.| (default, Oct 23 2018, 14:01:38) 
[GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)] darwin

Issue:

With the bar format below, the progress bars are correctly rendered in the terminal but incorrectly in jupyter notebook (instead of filling up the bar, another bar to the right is constructed).