Merge tables with self generated auto increment column doesn't show-up Histogram.

[nasrin1748]

Checks

• [X] I have checked that this issue has not already been reported.

• [X] I have confirmed this bug exists on the latest version of Buckaroo.

What type of jupyter notebook were you using (VSCode notebook, google colab, Jupyter Lab, Jupyter notebook). Select multiple if you can reproduce this in multiple environments. If other, please add to description.

Jupyter Notebook

Reproducible example

df = pd.concat([df1, df2.set_index(df1.index)], axis=1)

Issue description

Expected behavior

Should show up the histogram for Merge tables with self generated auto increment columns.

Installed versions

``` Selected Jupyter core packages... executing in jupyter-notebook buckaroo : 0.5.0 jupyterlab : 3.6.3 notebook : 7.0.6 ipywidgets : 8.1.1 traitlets : 5.7.1 jupyter_core : 5.3.0 pandas : 2.0.3 numpy : 1.26.0 IPython : 8.12.0 ipykernel : 6.25.0 jupyter_client : 7.4.9 jupyter_server : 2.8.0 nbclient : 0.5.13 nbconvert : 6.5.4 nbformat : 5.9.2 qtconsole : 5.4.2 buckaroo : C:\Users\91949\anaconda\lib\site-packages\buckaroo\__init__.py jupyterlab : C:\Users\91949\anaconda\lib\site-packages\jupyterlab\__init__.py notebook : C:\Users\91949\anaconda\lib\site-packages\notebook\__init__.py ipywidgets : C:\Users\91949\anaconda\lib\site-packages\ipywidgets\__init__.py traitlets : C:\Users\91949\anaconda\lib\site-packages\traitlets\__init__.py jupyter_core : C:\Users\91949\anaconda\lib\site-packages\jupyter_core\__init__.py pandas : C:\Users\91949\anaconda\lib\site-packages\pandas\__init__.py numpy : C:\Users\91949\anaconda\lib\site-packages\numpy\__init__.py IPython : C:\Users\91949\anaconda\lib\site-packages\IPython\__init__.py ipykernel : C:\Users\91949\anaconda\lib\site-packages\ipykernel\__init__.py jupyter_client : C:\Users\91949\anaconda\lib\site-packages\jupyter_client\__init__.py jupyter_server : C:\Users\91949\anaconda\lib\site-packages\jupyter_server\__init__.py nbclient : C:\Users\91949\anaconda\lib\site-packages\nbclient\__init__.py nbconvert : C:\Users\91949\anaconda\lib\site-packages\nbconvert\__init__.py nbformat : C:\Users\91949\anaconda\lib\site-packages\nbformat\__init__.py qtconsole : C:\Users\91949\anaconda\lib\site-packages\qtconsole\__init__.py ```

Jupyter Log output

No response

[paddymul]

Can you please supply the original dataframes that are being merged? Or a minimally reproducable testcase.

I can't reproduce this because df1 and df2 aren't included.

[nasrin1748]

This should be enough i guess.