Fix file download for resnet50 example (#1164)

update path for where file is located

examples/vision/python_resnet50/resnet50_inference.ipynb

@@ -106,8 +106,8 @@
    "outputs": [],
    "source": [
     "if not path.exists(\"./resnet50.onnx\"):\n",
-    "    !wget https://github.com/onnx/models/blob/master/vision/classification/resnet/model/resnet50-v2-7.onnx?raw=true\n",
-    "    !mv 'resnet50-v2-7.onnx?raw=true' resnet50.onnx"
+    "    !wget https://github.com/onnx/models/raw/main/vision/classification/resnet/model/resnet50-v2-7.onnx",
+    "    !mv resnet50-v2-7.onnx resnet50.onnx"
    ]
   },
   {