Change traverse default behavior to avoid nx import

[whitead]

@sidnarayanan really need you on this one - don't know the consequences of this change in default behavior.

[Copilot]

Pull Request Overview

Changes the default behavior of the traverse method in the graph operations module to avoid requiring a NetworkX import. The topological_order parameter default is changed from True to False.

• Changed default value of topological_order parameter from True to False
• Updated corresponding documentation comment to explain the rationale

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[sidnarayanan]

Approving, modulo one request

[sidnarayanan]

I'm cool with changing the default, but can you pass topological_order=True here:

ldp/src/ldp/graph/ops.py

Line 119 in 3d874c5

for node in self.traverse():

? That's the only place we currently require topological sorting.