Assert that a operator descriptor exists

Author: lukamac

Deeploy/DeeployTypes.py

@@ -2761,12 +2761,12 @@ def parse(self, default_channels_first: bool = True) -> bool:
 
         self.layerBinding: 'OrderedDict[str, ONNXLayer]' = OrderedDict()
         for node in flatSchedule:
-            # TODO: Change this into an assert once we've refactored all the parsers
-            if node.op in self.operatorDescriptors:
-                desc = self.operatorDescriptors[node.op]
-                desc.canonicalize(node, self.graph.opset)
-                assert desc.check(node), \
-                f"[ERROR OP {node.op}] Node {node.name} is not a valid instance of {node.op} operator"
+            assert node.op in self.operatorDescriptors, \
+            f"[ERROR] Error parsing node {node.name}. There is no descriptor for operator {node.op}."
+            desc = self.operatorDescriptors[node.op]
+            desc.canonicalize(node, self.graph.opset)
+            assert desc.check(node), \
+            f"[ERROR] Node {node.name} is not a valid instance of {node.op} operator"
 
             layer = self._mapNode(node)
             if isinstance(layer, ONNXLayer):