Hash symbol breaks the line

[sobolevn]

I have this secret key (an example): DJANGO_SECRET_KEY=YwRqr;u|g_Qb3hEPRm/B6ry#bMb;-c,YmFaGsi>/s?rdhnc$M`

It contains #. When I try to use it, that's what I see:

>>> env('DJANGO_SECRET_KEY')
'YwRqr;u|g_Qb3hEPRm/B6ry'