Refactor: fix typo

.github/workflows/integration-test.yml

@@ -36,8 +36,8 @@ jobs:
       run: |
         pip install tensorflow==1.15.0
         pip install onnx==1.9.0
-        pip install torch==1.7.1
-        pip install torchvision==0.8.2
+        pip install torch==1.9.0
+        pip install torchvision==0.10.0
         pip install onnx-simplifier
         
     - name: Install nn-Meter

.github/workflows/integration-test_onnx_based_torch.yml

@@ -36,8 +36,8 @@ jobs:
       run: |
         pip install tensorflow==1.15.0
         pip install onnx==1.9.0
-        pip install torch==1.7.1
-        pip install torchvision==0.8.2
+        pip install torch==1.9.0
+        pip install torchvision==0.10.0
         pip install onnx-simplifier
         
     - name: Install nn-Meter

nn_meter/ir_converters/torch_converter/converter.py

@@ -1,6 +1,6 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT license.
-from nn_meter.utils.utils import try_import_nni, try_import_onnx, try_import_torch, try_import_onnxsim, try_import_nni
+from nn_meter.utils.utils import try_import_onnx, try_import_torch, try_import_onnxsim, try_import_nni
 import tempfile
 from nn_meter.ir_converters.onnx_converter import OnnxConverter