I have found that if you use "_" to refer to the last output it causes this problem. Fix: reload and remember not to do that.
On Monday, January 13, 2020 at 7:26:27 AM UTC-6, Gagandeep Singh (B17CS021) wrote: > > Hi, > > I am facing some problems on SymPy Live. I tried executing the example > session on live.sympy.org and the following error was thrown, > > ``` > >>> expr = (x + y)**5 > Traceback (most recent call last): File "<string>", line 1, in <module> > File > "/base/data/home/apps/s~sympy-live-hrd/20200105t193609.423659059328302322/sympy/sympy/core/decorators.py", > > line 91, in __sympifyit_wrapper return func(a, b) File > "/base/data/home/apps/s~sympy-live-hrd/20200105t193609.423659059328302322/sympy/sympy/core/decorators.py", > > line 129, in binary_op_wrapper return func(self, other) File > "/base/data/home/apps/s~sympy-live-hrd/20200105t193609.423659059328302322/sympy/sympy/core/expr.py", > > line 176, in __add__ return Add(self, other) File > "/base/data/home/apps/s~sympy-live-hrd/20200105t193609.423659059328302322/sympy/sympy/core/cache.py", > > line 94, in wrapper retval = cfunc(*args, **kwargs) File > "/base/data/home/apps/s~sympy-live-hrd/20200105t193609.423659059328302322/sympy/sympy/core/compatibility.py", > > line 916, in wrapper del cache[oldkey] KeyError: [<class > 'sympy.core.add.Add'>, x, y, <class > 'sympy.core.assumptions.ManagedProperties'>, <class > 'sympy.core.symbol.Symbol'>, <class 'sympy.core.symbol.Symbol'>] > ``` > Can someone help me with this? > Thank you. > -- 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/6c3e4698-8945-4054-8c12-f452b489ee23%40googlegroups.com.
