Rename axis parameter in onnx squeeze (#1683)

* Rename axis parameter in onnx squeeze

* Add test

nnvm/python/nnvm/frontend/onnx.py

@@ -684,7 +684,7 @@ def _get_convert_map(opset):
         'Slice': Slice.get_converter(opset),
         'Transpose': AttrCvt('transpose', {'perm': 'axes'}),
         'Gather': Gather.get_converter(opset),
-        'Squeeze': Renamer('squeeze'),
+        'Squeeze': AttrCvt('squeeze', {'axes': 'axis'}),
         'Unsqueeze': Unsqueeze.get_converter(opset),
         'Pad': Pad.get_converter(opset),
         'Shape': Shape.get_converter(opset),

nnvm/tests/python/frontend/onnx/test_forward.py

@@ -178,7 +178,7 @@ def test_power():
 def test_squeeze():
     in_shape = (1, 3, 1, 3, 1, 1)
     out_shape = (3, 3)
-    y = helper.make_node("Squeeze", ['in'], ['out'])
+    y = helper.make_node("Squeeze", ['in'], ['out'], axes=[0, 2, 4, 5])
 
     graph = helper.make_graph([y],
                               'squeeze_test',