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Feat/improve error messages for bad PandasReporter configurations #1737

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Feat/improve error messages for bad PandasReporter configurations #1737

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24fc4d9
feat: add suggestion to error message
Flix6x Oct 3, 2025
e5dbee3
style: update suggestion
Flix6x Oct 3, 2025
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12 changes: 9 additions & 3 deletions flexmeasures/data/models/reporting/pandas_reporter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -349,8 +349,14 @@ def _any_empty(objs):
if (_any_empty(args) or _any_empty(kwargs.values())) and skip_if_empty:
self.data[df_output] = self.data[df_input]
else:
self.data[df_output] = getattr(self.data[df_input], method)(
*args, **kwargs
)
try:
self.data[df_output] = getattr(self.data[df_input], method)(
*args, **kwargs
)
except TypeError as exc:
if "unhashable type" in str(exc) and method == "sum":
raise TypeError(
"Consider using 'add' instead of 'sum' as the transformation method."
) from exc

previous_df = df_output