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Fix quant and dequant for opset 13 #1235

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Merged
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Dec 15, 2020
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Fix quant and dequant for opset 13 #1235

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3 changes: 2 additions & 1 deletion tf2onnx/rewriter/quantization_ops_rewriter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,8 @@ def create_qdq_nodes(g, match_results):
zero_point = zero_point[0]
attrs = {}
else:
utils.make_sure(axis, "Axis must be specified for per channel quantization")
utils.make_sure(axis and axis != -1, "Axis must be specified for per channel quantization")
utils.make_sure(g.opset >= 13, "Opset >= 13 is required for per channel quantization")
attrs = {'axis': axis}

# Split it into QuantizeLinear and DequantizeLinear and remove the QDQ node reference
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