Importer no longer working in Unity 2017.1

[guategeek]

When trying to use this importer in my current version of unity I get an error. Is the importer broken for current versions of Unity?

---(Error)---

IndexOutOfRangeException: Array index is out of range.
EdysBlenderImporter.CalculateMeshTangents (UnityEngine.Mesh mesh) (at Assets/Editor/EdysBlenderImporter.cs:625)
EdysBlenderImporter.RotateMesh (UnityEngine.GameObject go, Quaternion rot) (at Assets/Editor/EdysBlenderImporter.cs:381)
EdysBlenderImporter.ProcessFirstLevel (UnityEngine.GameObject go) (at Assets/Editor/EdysBlenderImporter.cs:195)
EdysBlenderImporter.ProcessBlenderObject (UnityEngine.GameObject go) (at Assets/Editor/EdysBlenderImporter.cs:176)
EdysBlenderImporter.OnPostprocessModel (UnityEngine.GameObject go) (at Assets/Editor/EdysBlenderImporter.cs:95)
System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:222)
Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:232)
System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MethodBase.cs:115)
UnityEditor.AttributeHelper.InvokeMemberIfAvailable (System.Object target, System.String methodName, System.Object[] args) (at /Users/builduser/buildslave/unity/build/Editor/Mono/AttributeHelper.cs:168)
UnityEditor.AssetPostprocessingInternal.PostprocessMesh (UnityEngine.GameObject gameObject) (at /Users/builduser/buildslave/unity/build/Editor/Mono/AssetPostprocessor.cs:246)