diff --git a/src/DynamoCore/DynamoCore.csproj b/src/DynamoCore/DynamoCore.csproj
index 30df23d485c..9dc872dafe5 100644
--- a/src/DynamoCore/DynamoCore.csproj
+++ b/src/DynamoCore/DynamoCore.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <ImportGroup Label="PropertySheets">
     <Import Project="$(SolutionDir)Config\CS_SDK.props" />
   </ImportGroup>
@@ -40,7 +40,7 @@
     <PackageReference Include="Lucene.Net" Version="4.8.0-beta00016" />
     <PackageReference Include="Lucene.Net.Analysis.Common" Version="4.8.0-beta00016" />
     <PackageReference Include="Lucene.Net.QueryParser" Version="4.8.0-beta00016" />
-    <PackageReference Include="DynamoVisualProgramming.PythonEngine.PythonNet3" Version="1.4.5" GeneratePathProperty="true" ExcludeAssets="all" />
+    <PackageReference Include="DynamoVisualProgramming.PythonEngine.PythonNet3" Version="1.4.7" GeneratePathProperty="true" ExcludeAssets="all" />
     <PackageReference Include="DynamoVisualProgramming.Analytics" Version="4.2.3.10496" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/PythonMigrationViewExtension/PythonMigrationViewExtension.csproj b/src/PythonMigrationViewExtension/PythonMigrationViewExtension.csproj
index 54759ebc6f3..a7124196651 100644
--- a/src/PythonMigrationViewExtension/PythonMigrationViewExtension.csproj
+++ b/src/PythonMigrationViewExtension/PythonMigrationViewExtension.csproj
@@ -15,7 +15,7 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="DiffPlex" Version="1.6.3" CopyMetaData="true" />        
-        <PackageReference Include="DynamoVisualProgramming.PythonEngine.PythonNet3" Version="1.4.5">
+        <PackageReference Include="DynamoVisualProgramming.PythonEngine.PythonNet3" Version="1.4.7">
             <ExcludeAssets>runtime;native;contentFiles;build;buildTransitive;analyzers</ExcludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>        
diff --git a/test/Libraries/DynamoPythonTests/DynamoPythonTests.csproj b/test/Libraries/DynamoPythonTests/DynamoPythonTests.csproj
index 9d9461ac5ef..ef653a2ed8b 100644
--- a/test/Libraries/DynamoPythonTests/DynamoPythonTests.csproj
+++ b/test/Libraries/DynamoPythonTests/DynamoPythonTests.csproj
@@ -22,7 +22,7 @@
     <PackageReference Include="DynamicLanguageRuntime" Version="1.2.2" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
-      <PackageReference Include="DynamoVisualProgramming.PythonEngine.PythonNet3" Version="1.4.5">
+      <PackageReference Include="DynamoVisualProgramming.PythonEngine.PythonNet3" Version="1.4.7">
           <ExcludeAssets>runtime;native;contentFiles;build;buildTransitive;analyzers</ExcludeAssets>
           <PrivateAssets>all</PrivateAssets>
       </PackageReference>
diff --git a/test/Libraries/DynamoPythonTests/PythonEvalTestsWithLibraries.cs b/test/Libraries/DynamoPythonTests/PythonEvalTestsWithLibraries.cs
index 1449b4cff7d..ce03437de7a 100644
--- a/test/Libraries/DynamoPythonTests/PythonEvalTestsWithLibraries.cs
+++ b/test/Libraries/DynamoPythonTests/PythonEvalTestsWithLibraries.cs
@@ -44,14 +44,7 @@ from FFITarget import DummyMath
             }
         }
 
-        /// <summary>
-        /// PythonNet3 vs DesignScript list interop issue:
-        /// DSCore list ops expect DS lists; PythonNet passes .NET lists, causing wrong overloads/comparers.
-        /// Quarantined until parity fix.
-        /// </summary>
         [Test]
-        [Category("Failure")]
-        [Category("TechDebt")]
         public void TestListDecoding()
         {
             string code = @"
@@ -344,6 +337,52 @@ import DSCore
             }
         }
 
+        [Test]
+        public void TryDecode_ConvertsNestedPythonListsToClrLists()
+        {
+            string code = @"
+import clr
+clr.AddReference('DSCoreNodes')
+from DSCore import List
+
+data = [[[1, 2], [3]], [[4, 5], [6]]]
+OUT = data, List.Flatten(data, 1), List.Flatten(data, 2), List.Flatten(data)
+";
+            var emptyInputs = new ArrayList();
+            var expected = new ArrayList
+            {
+                new ArrayList
+                {
+                    new ArrayList
+                    {
+                        new ArrayList { 1, 2 },
+                        new ArrayList { 3 }
+                    },
+                    new ArrayList
+                    {
+                        new ArrayList { 4, 5 },
+                        new ArrayList { 6 }
+                    }
+                },
+                new ArrayList
+                {
+                    new ArrayList { 1, 2 },
+                    new ArrayList { 3 },
+                    new ArrayList { 4, 5 },
+                    new ArrayList { 6 }
+                },
+                new ArrayList { 1, 2, 3, 4, 5, 6 },
+                new ArrayList { 1, 2, 3, 4, 5, 6 }
+            };
+
+            foreach (var pythonEvaluator in Evaluators)
+            {
+                var result = pythonEvaluator(code, emptyInputs, emptyInputs);
+                Assert.That(result, Is.InstanceOf<IEnumerable>());
+                CollectionAssert.AreEqual(expected, result as IEnumerable);
+            }
+        }
+
         private void DictionaryAssert(IDictionary expected, IDictionary actual)
         {
             Assert.AreEqual(expected.Count, actual.Count);