monthly_heatmap_detailedview function spine object has no attribute "get_color"

[BlackArbsCEO]

I'm attempting to use the new function qs.plots.monthly_returns_detailedview() and it's generating an error.

Python implementation: CPython
Python version       : 3.11.9
IPython version      : 8.25.0

numpy          : 1.26.4
matplotlib     : 3.8.4
seaborn        : 0.13.2
quantstats_lumi: 0.3.3
pandas         : 2.2.2

Compiler    : MSC v.1938 64 bit (AMD64)
OS          : Windows
Release     : 10
Machine     : AMD64
Processor   : Intel64 Family 6 Model 158 Stepping 10, GenuineIntel
CPU cores   : 12
Architecture: 64bit


### code ### 
# --------------

qs.plots.monthly_returns_detailedview(equity_df)
# equity_df is a pandas series with datetime index and price values from 2008-2024. 

### error ###
# -------------
C:\Users\kngka\miniconda3\envs\blk_ml_strats\Lib\site-packages\numpy\core\_methods.py:53: RuntimeWarning:

invalid value encountered in reduce

C:\Users\kngka\miniconda3\envs\blk_ml_strats\Lib\site-packages\matplotlib\colors.py:1371: RuntimeWarning:

invalid value encountered in divide

Traceback (most recent call last):
  File "D:\PERSONAL\CODE_PROJECTS\blk_ml_strats\blk_ml\evaluate_treasury_momo_strat.py", line 46, in <module>
    qs.plots.monthly_returns_detailedview(equity_df)
  File "C:\Users\kngka\miniconda3\envs\blk_ml_strats\Lib\site-packages\quantstats_lumi\_plotting\wrappers.py", line 1093, in monthly_returns_detailedview
    fig = _core.monthly_heatmap_detailedview(
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\kngka\miniconda3\envs\blk_ml_strats\Lib\site-packages\quantstats_lumi\_plotting\core.py", line 1266, in monthly_heatmap_detailedview
    return_color = cell.get_color()
                   ^^^^^^^^^^^^^^
AttributeError: 'Spine' object has no attribute 'get_color'. Did you mean: 'set_color'?

[grzesir]

@twkim112 any ideas what this could be? I believe you changed this code recently

[twkim112]

Python version: 3.11.9 | packaged by conda-forge | (main, Apr 19 2024, 18:34:54) [Clang 16.0.6 ]

numpy          : 2.0.0
matplotlib     : 3.9.1
seaborn        : 0.13.2
pandas         : 2.2.2
quantstats_lumi: 0.3.1

I think I've found the source of the problem. When I call qs._plotting.core.monthly_heatmap_detailedview directly with the same data used in monthly_returns_detailedview, it works without errors. Here's what I observed:

>>> cell.get_color
Out[6]: <bound method Text.get_color of Text(8.5, 0.5, '349615008342768344328711938750155849728.00')>

>>> cell.get_color()
Out[7]: '.15'

I found bugs in wrapper function. I'll work on fixing this today.
@BlackArbsCEO Could you please try calling qs._plotting.core.monthly_heatmap_detailedview directly with the same data you used in monthly_returns_detailedview? This might help us isolate the issue.

[twkim112]

I created PR about wrapper function.
#52

[BlackArbsCEO]

Python version: 3.11.9 | packaged by conda-forge | (main, Apr 19 2024, 18:34:54) [Clang 16.0.6 ]

numpy          : 2.0.0
matplotlib     : 3.9.1
seaborn        : 0.13.2
pandas         : 2.2.2
quantstats_lumi: 0.3.1

I think I've found the source of the problem. When I call qs._plotting.core.monthly_heatmap_detailedview directly with the same data used in monthly_returns_detailedview, it works without errors. Here's what I observed:

>>> cell.get_color
Out[6]: <bound method Text.get_color of Text(8.5, 0.5, '349615008342768344328711938750155849728.00')>

>>> cell.get_color()
Out[7]: '.15'

I found bugs in wrapper function. I'll work on fixing this today. @BlackArbsCEO Could you please try calling qs._plotting.core.monthly_heatmap_detailedview directly with the same data you used in monthly_returns_detailedview? This might help us isolate the issue.

I tried your suggestion and it did work correctly when I used qs._plotting.core.monthly_heatmap_detailedview directly.

[grzesir]

Merged the PR. Will deploy this in future versions Robert Grzesik 347-635-3416

…

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