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detect numpy scalars #419

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Merged
stefanv merged 3 commits into from
May 13, 2026
Merged

detect numpy scalars #419

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85cfa79
detect numpy scalars
mcoughlin Apr 5, 2026
8bf195f
Update app/json_util.py
mcoughlin May 13, 2026
54d9abe
GA
mcoughlin May 13, 2026
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3 changes: 3 additions & 0 deletions app/json_util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,9 @@ def default(self, o):
elif type(o).__name__ == "ndarray": # avoid numpy import
return o.tolist()

elif hasattr(o, "item"): # numpy scalar (int64, float64, bool_, etc.)
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return o.item()

elif type(o).__name__ == "DataFrame": # avoid pandas import
o.columns = o.columns.droplevel("channel") # flatten MultiIndex
return o.to_dict(orient="index")
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