I was following this <https://nbviewer.jupyter.org/github/sagemanifolds/SageManifolds/blob/master/Notebooks/SM_vector_calc_change.ipynb> tutorial, and ran into issues with set_default_chart
minimal example: E.<r,th,ph> = EuclideanSpace(coordinates='spherical') cartesian.<x,y,z> = E.cartesian_coordinates() E.set_default_chart(cartesian) error: /home/abhishek/Applications/SageMath/local/lib/python3.7/site-packages/sage/manifolds/chart.py in __call__(self, point) 531 532 """ --> 533 return point.coord(self) 534 535 def domain(self): AttributeError: 'RealDiffChart' object has no attribute 'coord' version: πππππΌπππππππππππΏ.π·,ππππππππ³πππ:πΈπΆπΈπΆβ―πΆπ»β―πΈπΆ 64bit. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/50b0b9ef-042d-46fe-a0e6-4d924a2b2af7n%40googlegroups.com.