Peiheng Li

Did you encounter a similar issue when you called find_shortest_path() in [Section 3.1](https://github.com/jdlph/Path4GMNS/blob/master/tutorial/tutorial.ipynb) prior to find_ue()?

Thank you for the update! It helps verify that the C++ path engine works properly on your local machine. It seems that the root cause of your reported issue is...

Would it be possible for you to zip your two data sets and attach them here so that we are able to replicate these two issues?

Thank you for sharing your data sets! We are able to replicate these two issues. The first issue (with respect to the empty route_assignment.csv) is caused by the **data inconsistency...

The first issue regarding OSError is probably due to the execution of find_shortest_path() before find_ue() as shown in your code snippets. The issue was vanished after the invoking of find_shortest_path()...

[v0.9.9.post1](https://pypi.org/project/path4gmns/0.9.9.post1/) is just released as a hotfix over the reported two issues. Details regarding the first issue and how it was fixed can be found in the commit message of...

With the extensive use of f-string in Path4GMNS, the minimum runtime is Python 3.6. As the new implementation of dict() introduced in Python 3.6 also preserves the insertion order, the...