Duplicate remove_node call should be handled by finally
…e been handled by a finally clause. Also added a test to verify that the size of the graph remains unchanged before and after the call to negative_edge_cycle
Show max iterations in non-convergence error for Katz centrality
Returning the minimum weight from a multigraph was inefficient
…epts a generator expression
Update overview.rst Thanks.
Seems that 'of' is needed ...
k_corona() docstring didn't match function name
Tuple labels are now converted to strings: (1,2) --> "(1,2)"