Describe the issue linked to the documentation

In the section "Pull Request Checklist", this is how the text appears

A moderate use of type annotations is encouraged but is not mandatory. See [mypy quickstart](https://mypy.readthedocs.io/en/latest/getting_started.html) for an introduction, as well as [pandas contributing documentation]( https://pandas.pydata.org/pandas-docs/stabl

Is your feature request related to a problem? Please describe.
I have a lot of trouble distinguishing between the shades of green signifying a running vs successful query in sqllab.

Describe the solution you'd like
Ideally these would be two different colors for running vs successful. Maybe yellow and green respectively?

Describe alternatives you've considered
If there isn't

create a mi

In [13]: mi = pd.MultiIndex.from_product([[1,2,3], list('abc'), pd.date_range('20200101', periods=2, tz='UTC')], names=['int', 'string', 'dt'])                            

You can already get .dtypes, but is slightly cumbersome. I would propose adding Multidex.dtypes (we already have MultiIndex.dtype but its always object). I think this is worth the convenience api.

Summary

Possibly a regression from the recent st.balloons upgrade? Or maybe was always the case.

Steps to reproduce

st.header("Results")
if st.button("Press me!"):
    st.balloons()
st.header("hm")

Click on the button.

Expected behavior:

No space inserted after clicking on the button.
(E.g. st.empty() would not take up space there)
Probably just need to mark

Is your feature request related to a problem? Please describe.
When working with a big piece of text, I sometimes scroll down and copy some text into another tab. When switching back to the first tab, both the input and the output pane is back on top. So I don't know where I was working just now.

Describe the solution you'd like
After tab switching, scroll position should be remembere

The UI of the scatterplot has got more ugly between 3.4 and the current development version.

To Reproduce

Steps to reproduce the behavior: create any scatterplot facet.

Current Results (master)

Expected Behavior (3.4)

![image](https://user-images.githubuserconten

Collection of follow-ups to #5827. These can/should be broken out into individual PRs. Many are relatively straightforward and would make a good first PR.

General

• Documentation (none was added in original PR).
• Release notes.
• Example notebook.
• Double-check how sm.tsa.arima.ARIMA works with fix_params (it should fail except when the fit method is statespace

Describe the issue linked to the documentation

Here is the link to the documentation file of Tomek Link
https://github.com/scikit-learn-contrib/imbalanced-learn/blob/6b3c5aed61f2e5dc0e8af87d97ea92b95dcafdd0/doc/under_sampling.rst

You write "In some other words, a Tomek’s link exist if the two samples are the nearest neighbors of each other. In the figure below, a Tomek’s link is illustra

See:
gonum/gonum#845 (comment)

I'm using latest pyod version on pypi. How to generate simulated data where x-axis is time? Thank you.