QuantumKitHub/PEPSKit.jl

Inexact error when running the Heisenberg example

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I'm trying to run the Heisenberg chain example but I get an Inexact error.
The stack trace points to the problem being the derivation of the costfunction with Zygote.

After some more digging this turns out to work on the latest version of TensorKit.
Jutho/TensorKit.jl#90