Update type checking imports

Author: sovrasov

model_api/python/model_api/adapters/openvino_adapter.py

@@ -6,11 +6,13 @@
 from __future__ import annotations  # TODO: remove when Python3.9 support is dropped
 
 import logging as log
-from os import PathLike
 from pathlib import Path
-from typing import Any
+from typing import TYPE_CHECKING, Any
 
-from numpy import ndarray
+if TYPE_CHECKING:
+    from os import PathLike
+
+    from numpy import ndarray
 
 try:
     import openvino.runtime as ov

model_api/python/model_api/models/image_model.py

@@ -5,15 +5,17 @@
 
 from __future__ import annotations  # TODO: remove when Python3.9 support is dropped
 
-from typing import Any
+from typing import TYPE_CHECKING, Any
 
-import numpy as np
-
-from model_api.adapters.inference_adapter import InferenceAdapter
 from model_api.adapters.utils import RESIZE_TYPES, InputTransform
 from model_api.models.model import Model
 from model_api.models.types import BooleanValue, ListValue, NumericalValue, StringValue
 
+if TYPE_CHECKING:
+    import numpy as np
+
+    from model_api.adapters.inference_adapter import InferenceAdapter
+
 
 class ImageModel(Model):
     """An abstract wrapper for an image-based model

model_api/python/model_api/models/model.py

@@ -8,12 +8,8 @@
 import logging as log
 import re
 from contextlib import contextmanager
-from os import PathLike
-from typing import Any, NoReturn, Type
+from typing import TYPE_CHECKING, Any, NoReturn, Type
 
-from numpy import ndarray
-
-from model_api.adapters.inference_adapter import InferenceAdapter
 from model_api.adapters.onnx_adapter import ONNXRuntimeAdapter
 from model_api.adapters.openvino_adapter import (
     OpenvinoAdapter,
@@ -22,6 +18,13 @@
 )
 from model_api.adapters.ovms_adapter import OVMSAdapter
 
+if TYPE_CHECKING:
+    from os import PathLike
+
+    from numpy import ndarray
+
+    from model_api.adapters.inference_adapter import InferenceAdapter
+
 
 class WrapperError(Exception):
     """The class for errors occurred in Model API wrappers"""

model_api/python/model_api/models/types.py

@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
+from __future__ import annotations  # TODO: remove when Python3.9 support is dropped
 
 from typing import Any
 

model_api/python/model_api/models/utils.py

@@ -167,7 +167,7 @@ def multiclass_nms(
     offsets = labels.astype(boxes.dtype) * (max_coordinate + 1)
     boxes_for_nms = boxes + offsets[:, None]
 
-    keep = nms(*boxes_for_nms.T, scores=scores, thresh=iou_threshold)
+    keep = nms(*boxes_for_nms.T, scores=scores, thresh=iou_threshold)  # type: ignore[misc]
     if max_num > 0:
         keep = keep[:max_num]
     keep = np.array(keep)