diff --git a/image/filter/filters.go b/image/filter/filters.go
index cf002af..005ab24 100644
--- a/image/filter/filters.go
+++ b/image/filter/filters.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/image/image.go b/image/image.go
index 77c1ecd..1b9546e 100644
--- a/image/image.go
+++ b/image/image.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -15,11 +15,12 @@ package image
 
 import (
 	"fmt"
+	"strings"
+
 	tf "github.com/galeone/tensorflow/tensorflow/go"
 	"github.com/galeone/tensorflow/tensorflow/go/op"
 	tg "github.com/galeone/tfgo"
 	"github.com/galeone/tfgo/image/padding"
-	"strings"
 )
 
 // ReadJPEG reads the JPEG image whose path is `imagePath` that has `channels` channels
diff --git a/image/image_override.go b/image/image_override.go
index c2e1cfd..fc6ce8f 100644
--- a/image/image_override.go
+++ b/image/image_override.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/image/image_private.go b/image/image_private.go
index 6f589b4..b41feee 100644
--- a/image/image_private.go
+++ b/image/image_private.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -15,6 +15,7 @@ package image
 
 import (
 	"fmt"
+
 	tf "github.com/galeone/tensorflow/tensorflow/go"
 	"github.com/galeone/tensorflow/tensorflow/go/op"
 	tg "github.com/galeone/tfgo"
diff --git a/image/image_test.go b/image/image_test.go
index a081d45..ef06c45 100644
--- a/image/image_test.go
+++ b/image/image_test.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -14,14 +14,15 @@ limitations under the License.
 package image_test
 
 import (
+	"reflect"
+	"testing"
+
 	tf "github.com/galeone/tensorflow/tensorflow/go"
 	"github.com/galeone/tensorflow/tensorflow/go/op"
 	tg "github.com/galeone/tfgo"
 	"github.com/galeone/tfgo/image"
 	"github.com/galeone/tfgo/image/filter"
 	"github.com/galeone/tfgo/image/padding"
-	"reflect"
-	"testing"
 )
 
 const (
diff --git a/model.go b/model.go
index 9df4a19..3fbd999 100644
--- a/model.go
+++ b/model.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -34,14 +34,16 @@ func LoadModel(exportDir string, tags []string, options *tf.SessionOptions) (mod
 	var err error
 	model = new(Model)
 	model.saved, err = tf.LoadSavedModel(exportDir, tags, options)
+
+	if err != nil {
+		panic(err.Error())
+	}
+
 	runtime.SetFinalizer(model, func(model *Model) {
 		if model.saved != nil && model.saved.Session != nil {
 			_ = model.saved.Session.Close()
 		}
 	})
-	if err != nil {
-		panic(err.Error())
-	}
 	return
 }
 
@@ -66,6 +68,11 @@ func ImportModel(serializedModel, prefix string, options *tf.SessionOptions) (mo
 	}
 
 	model.saved = &tf.SavedModel{Session: session, Graph: graph}
+	runtime.SetFinalizer(model, func(model *Model) {
+		if model.saved != nil && model.saved.Session != nil {
+			_ = model.saved.Session.Close()
+		}
+	})
 	return
 }
 
diff --git a/ops.go b/ops.go
index 8457e7f..3275d95 100644
--- a/ops.go
+++ b/ops.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/scope.go b/scope.go
index 7e99b4a..22f008a 100644
--- a/scope.go
+++ b/scope.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/tensor.go b/tensor.go
index c7ee87f..995354b 100644
--- a/tensor.go
+++ b/tensor.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/test_models/create.py b/test_models/create.py
index ad7ca5e..a5132ba 100644
--- a/test_models/create.py
+++ b/test_models/create.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2017-2020 Paolo Galeone <nessuno@nerdz.eu>
+# Copyright (C) 2017-2022 Paolo Galeone <nessuno@nerdz.eu>
 #
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
diff --git a/tfgo_test.go b/tfgo_test.go
index 614483b..77389f0 100644
--- a/tfgo_test.go
+++ b/tfgo_test.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017-2020 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
diff --git a/types.go b/types.go
index e6cf5c5..771357f 100644
--- a/types.go
+++ b/types.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 Paolo Galeone. All right reserved.
+Copyright 2017-2022 Paolo Galeone. All right reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -15,8 +15,9 @@ package tfgo
 
 import (
 	"fmt"
-	tf "github.com/galeone/tensorflow/tensorflow/go"
 	"math"
+
+	tf "github.com/galeone/tensorflow/tensorflow/go"
 )
 
 // IsInteger returns true if dtype is a tensorflow integer type