Update tutorials.rst
 - [x] tests added / passed
 - [x] passes ``git diff upstream/master --name-only -- '*.py' | flake8 --diff``

# [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=h1) Report
> Merging [#16411](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/a6fcec6c1a8ef5fe1079cfc95e44bea9d76aa51a?src=pr&el=desc) will **increase** coverage by `0.02%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/16411/graphs/tree.svg?token=eZ4WkYLtcO&src=pr&width=650&height=150)](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #16411      +/-   ##
==========================================
+ Coverage   90.38%   90.41%   +0.02%     
==========================================
  Files         161      161              
  Lines       50999    50999              
==========================================
+ Hits        46096    46109      +13     
+ Misses       4903     4890      -13
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `88.24% <ø> (+0.02%)` | :arrow_up: |
| #single | `40.19% <ø> (ø)` | :arrow_up: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/core/indexes/datetimes.py](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvaW5kZXhlcy9kYXRldGltZXMucHk=) | `95.33% <0%> (+0.09%)` | :arrow_up: |
| [pandas/plotting/\_converter.py](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=tree#diff-cGFuZGFzL3Bsb3R0aW5nL19jb252ZXJ0ZXIucHk=) | `65.05% <0%> (+1.81%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=footer). Last update [a6fcec6...f02bdaa](https://codecov.io/gh/pandas-dev/pandas/pull/16411?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 Thanks! Seems like a nice tutorial Any idea how long does it take for the changes to get reflected on the site? I don't see it at http://pandas.pydata.org/pandas-docs/stable/tutorials.html when the release happens
a few weeks until 0.20.2