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Fix Non Recursive Depth First Search (#2207)

* Fix Non Recursive Depth First Search

* Unindent docstring

* Reindent docstring by 1 space

Co-authored-by: Christian Clauss <cclauss@me.com>

Co-authored-by: Christian Clauss <cclauss@me.com>
M
Marcos Cannabrava committed
a191f89fe21a8c092b152799d40669dd52eec940
Parent: 1b3fec3
Committed by GitHub <noreply@github.com> on 9/11/2020, 2:23:26 PM