update python version to 3.11

.github/workflows/test.yml

@@ -11,10 +11,10 @@ jobs:
     runs-on: windows-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.10
+    - name: Set up Python 3.11
       uses: actions/setup-python@v2
       with:
-        python-version: '3.10'
+        python-version: '3.11'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -28,10 +28,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.10
+    - name: Set up Python 3.11
       uses: actions/setup-python@v2
       with:
-        python-version: '3.10'
+        python-version: '3.11'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -45,10 +45,10 @@ jobs:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.10
+    - name: Set up Python 3.11
       uses: actions/setup-python@v2
       with:
-        python-version: '3.10'
+        python-version: '3.11'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

DeepSaki/layers/layer_composites.py

@@ -10,6 +10,7 @@
 from DeepSaki.layers.layer_helper import PaddingType
 from DeepSaki.layers.layer_helper import dropout_func
 from DeepSaki.layers.layer_helper import pad_func
+from DeepSaki.constraints import NonNegative
 
 class Conv2DSplitted(tf.keras.layers.Layer):
     """
@@ -983,7 +984,7 @@ def __init__(self, initializer: tf.keras.initializers.Initializer = tf.keras.ini
         super(ScaleLayer, self).__init__()
         self.initializer = initializer
         self.scale = self.add_weight(
-            shape=[1], initializer=initializer, constraint=DeepSaki.constraints.NonNegative(), trainable=True
+            shape=[1], initializer=initializer, constraint=NonNegative(), trainable=True
         )
 
     def call(self, inputs: tf.Tensor) -> tf.Tensor: