Comment # 1 on bug 911524 from Arun Persaud

ipython indeed list jinja2 as a dependency in setup.py[1] for notebook and
nbconvert, so I added it for dlp and dlp3.

dlp  SR#267142 
dlp3 SR#267141

HTH Arun

[1]
https://github.com/ipython/ipython/blob/1c0eb685df54c6fae5b1eeabe31118c299191aab/setup.py