fix

onnx/src/ops/resize.rs

@@ -2,12 +2,13 @@ use crate::model::ParsingContext;
 use crate::pb::*;
 use std::hash::Hash;
 use tract_hir::internal::*;
+use tract_nnef::tract_num_traits::Zero;
 
 pub fn resize(
     ctx: &ParsingContext,
     node: &NodeProto,
 ) -> TractResult<(Box<dyn InferenceOp>, Vec<String>)> {
-    let op = match ctx.onnx_operator_set_version {
+    let op = match dbg!(ctx.onnx_operator_set_version) {
         10 => resize_10(node)?,
         11..=12 => resize_11(node)?,
         13..=17 => resize_13(node)?,
@@ -273,8 +274,14 @@ impl InferenceRulesOp for Resize {
         check_output_arity(outputs, 1)?;
         s.equals(&inputs[0].datum_type, &outputs[0].datum_type)?;
         s.equals(&inputs[0].rank, &outputs[0].rank)?;
-        if self.optional_scales_input.is_some() {
-            rules_with_scales(self, s, inputs, outputs)
+        if let Some(scales) = self.optional_scales_input {
+            s.given(&inputs[scales].shape[0], move |s, len| {
+                if len.is_zero() {
+                    rules_with_sizes(self, s, inputs, outputs)
+                } else {
+                    rules_with_scales(self, s, inputs, outputs)
+                }
+            })
         } else if self.optional_sizes_input.is_some() {
             rules_with_sizes(self, s, inputs, outputs)
         } else {