tutorial() not working sagemath 9.6 MacOS    
   Both in terminal and Jupyter notebook, tutorial() gives an error about module not callable.
The message one gets after running help() mentions manual() and tutorial().
But while  manual() does work, tutorial() does not:
sage: tutorial()
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-2-c50b110aacc5> in <module>
----> 1 tutorial()
TypeError: 'module' object is not callable
 
 