`pandas` not getting used in `irradiance-transposition/use_perez_modelchain.py`

[aman-coder03]

import pandas as pd
this line is imported on the top of the file but is not getting called/used anywhere in the file.

location of the file docs\examples\irradiance-transposition\use_perez_modelchain.py

[echedey-ls]

Related (or even a duplicate, depending on what is considered part of the codebase) of #2642