bug in cprofile reader

[ocnkr]

The cprofile reader cannot create nodes properly.
graphframe = ht.GraphFrame.from_cprofile("tests/data/cprofile-hatchet-pstats/cprofile-cycle.pstats")

The tree output after creating the graphframe:

However, in the graphframe.graph object we have many "recursive" nodes. The output when we print the nodes in following order:
e -> f (child of e) -> recursive (child of f) -> recursive (child of recursive) -> recursive (child of recursive) -> ... -> recursive (child of recursive) -> ...

In addition, we have only one recursive node in the dataframe: