Fixed SciSharp#398, Recusive defualt session factory

Nucs · Nucs · commit 7a828c0d1fd1 · 2019-09-22T00:36:18.000+03:00
diff --git a/src/TensorFlowNET.Core/Keras/backend.cs b/src/TensorFlowNET.Core/Keras/backend.cs
@@ -28,7 +28,7 @@ public class backend : BackendBase
         //Func<Array, bool> py_any = any;
         //Func<double, double, double, IEnumerable<double>> py_slice = slice;
 
-        public static Session _SESSION = tf.defaultSession;
+        public static Session _SESSION = ops.get_default_session();
         public static Graph _GRAPH = null;
         public static Dictionary<Graph, GraphLearningPhase> _GRAPH_LEARNING_PHASES;
         //Dictionary<Graph, Dictionary<string, int>> PER_GRAPH_LAYER_NAME_UIDS;
diff --git a/src/TensorFlowNET.Core/tensorflow.cs b/src/TensorFlowNET.Core/tensorflow.cs
@@ -40,7 +40,7 @@ public partial class tensorflow : IObjectLife
 
         public tensorflow()
         {
-            _defaultSessionFactory = new ThreadLocal<Session>(Session);
+            _defaultSessionFactory = new ThreadLocal<Session>(() => new Session());
         }
 
         public Session defaultSession => _defaultSessionFactory.Value;

Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ public partial class tensorflow : IObjectLife`
`40`	`40`
`41`	`41`	`public tensorflow()`
`42`	`42`	`{`
`43`		`- _defaultSessionFactory = new ThreadLocal<Session>(Session);`
	`43`	`+ _defaultSessionFactory = new ThreadLocal<Session>(() => new Session());`
`44`	`44`	`}`
`45`	`45`
`46`	`46`	`public Session defaultSession => _defaultSessionFactory.Value;`