If you are getting errors just from imports, it is most likely that the issue has to do with your installation. I would try removing SymPy and reinstalling it. For instance, perhaps when upgrading somehow files from the old version have been left around and are messing with the new version.
Aaron Meurer On Tue, Mar 29, 2022 at 4:48 PM berk berk <[email protected]> wrote: > > Hey guys, when i add interesting vector import my code, i display that error > : TypeError: unsupported operand type(s) for +=: 'NoneType' and 'NoneType' > > from sympy.vector import CoordSys3D, curl, divergence, gradient > from sympy.vector import * > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/6b8c447a-f0b3-4e18-88c6-c46a83d3429an%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAKgW%3D6%2Bt7kTWX6xj%3DnH1DmvMLVc1bmHj1UxyxOE9R5bcDUCCCQ%40mail.gmail.com.
