cannot import name 'soft_unicode' from 'markupsafe' (/usr/lib/python3/dist-packages/markupsafe/__init__.py)
Traceback (most recent call last):
  File "/home/tutorbase/www/www/markbook/main.py", line 26, in <module>
    handler = config.determine_which_handler_to_use()
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/tutorbase/www/www/markbook/user_config.py", line 58, in determine_which_handler_to_use
    from app_get import GetHandler
  File "/home/tutorbase/www/www/markbook/app_get.py", line 11, in <module>
    import jinja2
  File "/home/tutorbase/www/www/markbook/jinja2/__init__.py", line 33, in <module>
    from jinja2.environment import Environment, Template
  File "/home/tutorbase/www/www/markbook/jinja2/environment.py", line 15, in <module>
    from jinja2 import nodes
  File "/home/tutorbase/www/www/markbook/jinja2/nodes.py", line 19, in <module>
    from jinja2.utils import Markup
  File "/home/tutorbase/www/www/markbook/jinja2/utils.py", line 647, in <module>
    from markupsafe import Markup, escape, soft_unicode
ImportError: cannot import name 'soft_unicode' from 'markupsafe' (/usr/lib/python3/dist-packages/markupsafe/__init__.py)