NatLabRockies / NatLabRockies/H2Integrate
Bug report: TypeError when converting OpenMDAO input arrays to float in finances.py
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- Dominant language
- Python
- Stars
- 26
- Forks
- 44
- Avg merge
- 3d 22h
- Merged PRs (30d)
- 16
Description
Bug: TypeError when converting OpenMDAO input arrays to float in finances.py
Description
Running the example
examples/18_pyomo_heuristic_dispatch/run_pyomo_heuristic_dispatch.py
fails during the finance subsystem due to an invalid scalar conversion in finances.py.
Error
TypeError: only 0-dimensional arrays can be converted to Python scalars
Root cause
OpenMDAO inputs are passed as NumPy arrays (even for scalar values), but the code attempts to cast them directly using float(...), which fails for 1-D arrays. Could update to inputs[f"capex_{tech}"][0].
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with finances.py and the finance subsystem reached by examples/18_pyomo_heuristic_dispatch/run_pyomo_heuristic_dispatch.py. Run the example to reproduce the TypeError, inspect how the OpenMDAO inputs are converted, and verify that the example completes without the scalar-conversion failure.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- numpy, python
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 68/100