class_docstr: Test conversion of queues to DAGs
docstr: Test case where operations do not depend on each other.
  This should result in a graph with no edges.
docstr_tok: ["Test","case","where","operations","do","not","depend","on","each","other",".","This","should","result","in","a","graph","with","no","edges","."]
code: def test_no_dependence(self):
      """Test case where operations do not depend on each other.
      This should result in a graph with no edges."""
  
      ops = [qml.RX(0.43, wires=0), qml.RY(0.35, wires=1)]
  
      res = CircuitGraph(ops, [], Wires([0, 1])).graph
      assert len(res) == 2
      assert not res.edges()
  
imports: import io
  import contextlib
  import numpy
  import pytest
  import pennylane
  from pennylane import numpy
  from pennylane.resource import ResourcesOperation, Resources
  from pennylane.circuit_graph import CircuitGraph
  from pennylane.wires import Wires
label_desc: Use image node_id 1 for calling the TestCircuitGraph obj's underlying member method code with example usage: obj.test_no_dependence() without return types