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@AugustinErnoult
Description
I recently updated NumPy to version 2.2.5 and Plotly to version 6.3.0.
Since then, the JSON conversion has not been dealing with the NumPy array anymore. The x and y data are strange objects with no numerical values. The HTML conversion do not show this issue.
Here is some minimal code that generates the issue:
import numpy as np import plotly.graph_objects as go x = [1,5,4] y = [0,0,2] fig_array = go.Figure() fig_array.add_trace(go.Scatter(x=np.array(x), y=np.array(y), )) fig_array.write_json('test_array.json', pretty=True) fig_array.write_html('test.html') fig_list = go.Figure() fig_list.add_trace(go.Scatter(x=x, y=y, )) fig_list.write_json('test_list.json', pretty=True)
Here the obtained data fields in the json files.
'test_list.json':
"data": [{"x": [1,5,4], "y": [0,0,2], "type": "scatter" }]
'test_array.json':
"data": [{ "x": {"dtype": "i1", "bdata": "AQUE"}, "y": { "dtype": "i1", "bdata": "AAAC"}, "type": "scatter" }]
The html file is ok!