Dan Schult

I believe the default maximum recursion depth is 1000. The user can reset that maximum (see [sys.getrecursionlimit](https://docs.python.org/library/sys.html#sys.getrecursionlimit)). That might give an idea of how big a graph you would need...

Thank you for reporting about the class project. I figured that must be what is going on. Could you ask your professor to consider combining these approaches into a unified...

How does this compare to #6896? And what about to #7965? Also -- after a quick look: - would this be better placed inside the astar.py module? - Can you...

This looks like a good start to me. :}

Can you add a separate PR for the fix of DIA.nnz in ill-formed cases? I think it will likely speed both sets of changes to have them separated -- it...

The recent work in this PR creates more test classes so that all tests except Test64Bit are run on both sparray and on spmatrix. For each e.g. `TestCSR` there is...

I have (added and then) removed the test of element-wise power when the exponent is a complex number. The difficulty is that numpy changed the result of `0**(1+3j)` from `nan+nanj`...

The Test64Bit tests reruns the entire collection of all other tests 5 times taking about 80% of the time for testing the sparse subpackage. Doubling that to test both sparray...

It looks like cytoscape doesn't like a node that is a list. I don't know what cytoscape requires for that. But an easy workaround is to convert the nodes of...

From the [contracted_nodes docs](https://networkx.org/documentation/stable/reference/algorithms/generated/networkx.algorithms.minors.contracted_nodes.html): ``` For non-multigraphs where u and v are adjacent to a third node w, the edge (v, w) will be contracted into the edge (u, w)...