fix mmdet export for coreml backend (#2392)

* fix mmdet export

* fix lint

Author: irexyc

docs/en/01-how-to-build/macos-arm64.md

@@ -87,7 +87,7 @@ The TorchScript model is used as the IR in the conversion process of the Core ML
     <td>coremltools</td>
     <td>
 <pre><code>
-pip install coremltools==6.0b2
+pip install coremltools==6.3
 </code></pre>
     </td>
   </tr>

docs/en/05-supported-backends/coreml.md

@@ -4,7 +4,7 @@ MMDeploy support convert Pytorch model to Core ML and inference.
 
 ## Installation
 
-To convert the model in mmdet, you need to compile libtorch to support custom operators such as nms.
+To convert the model in mmdet, you need to compile libtorch to support custom operators such as nms (only needed in conversion stage). For MacOS 12 users, please install Pytorch 1.8.0, for MacOS 13 users, please install Pytorch 2.0.0+.
 
 ```bash
 cd ${PYTORCH_DIR}
@@ -13,7 +13,7 @@ cmake .. \
     -DCMAKE_BUILD_TYPE=Release \
     -DPYTHON_EXECUTABLE=`which python` \
     -DCMAKE_INSTALL_PREFIX=install \
-    -DDISABLE_SVE=ON # low version like 1.8.0 of pytorch need this option
+    -DDISABLE_SVE=ON
 make install
 ```
 

docs/zh_cn/01-how-to-build/macos-arm64.md

@@ -86,7 +86,7 @@ Core ML 模型的转化过程中使用 TorchScript 模型作为IR，为了支持
     <td>coremltools</td>
     <td>
 <pre><code>
-pip install coremltools==6.0b2
+pip install coremltools==6.3
 </code></pre>
     </td>
   </tr>

docs/zh_cn/05-supported-backends/coreml.md

@@ -4,7 +4,7 @@
 
 ## 安装
 
-转换 mmdet 中的模型，需要编译 libtorch 支持 nms 等自定义算子
+转换 mmdet 中的模型，需要安装 libtorch 支持 nms 等自定义算子（仅转换，推理时不需要）。MacOS 12 的用户，请安装 Pytorch 1.8.0，MacOS 13+ 的用户，请安装 Pytorch 2.0.0+。
 
 ```bash
 cd ${PYTORCH_DIR}
@@ -13,7 +13,7 @@ cmake .. \
     -DCMAKE_BUILD_TYPE=Release \
     -DPYTHON_EXECUTABLE=`which python` \
     -DCMAKE_INSTALL_PREFIX=install \
-    -DDISABLE_SVE=ON # 低版本比如1.8.0需要加上这个参数
+    -DDISABLE_SVE=ON
 make install
 ```
 

mmdeploy/backend/coreml/ops.py

@@ -5,7 +5,7 @@
     register_torch_op
 
 
-@register_torch_op
+@register_torch_op(torch_alias=['mmdeploy::coreml_nms'])
 def coreml_nms(context, node):
     """bind CoreML NMS op."""
     inputs = _get_inputs(context, node)
@@ -44,7 +44,7 @@ def stack(context, node):
     context.add(res)
 
 
-@register_torch_op
+@register_torch_op(torch_alias=['torchvision::roi_align'])
 def roi_align(context, node):
     """roi align."""
     inputs = _get_inputs(context, node)