Skipif no lzma ne
- [ ] progress #18190
- [X] tests added / passed
- [X] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry
# [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/18820?src=pr&el=h1) Report
> Merging [#18820](https://codecov.io/gh/pandas-dev/pandas/pull/18820?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/b6a7cc9d4686f62596de031c9cc4a1d62d12c52e?src=pr&el=desc) will **decrease** coverage by `0.01%`.
> The diff coverage is `77.77%`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/18820/graphs/tree.svg?height=150&width=650&token=eZ4WkYLtcO&src=pr)](https://codecov.io/gh/pandas-dev/pandas/pull/18820?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #18820      +/-   ##
==========================================
- Coverage   91.64%   91.63%   -0.02%     
==========================================
  Files         154      154              
  Lines       51408    51402       -6     
==========================================
- Hits        47113    47100      -13     
- Misses       4295     4302       +7
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `89.49% <77.77%> (ø)` | :arrow_up: |
| #single | `40.84% <77.77%> (-0.11%)` | :arrow_down: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/18820?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/util/testing.py](https://codecov.io/gh/pandas-dev/pandas/pull/18820/diff?src=pr&el=tree#diff-cGFuZGFzL3V0aWwvdGVzdGluZy5weQ==) | `83.31% <ø> (+0.16%)` | :arrow_up: |
| [pandas/util/\_test\_decorators.py](https://codecov.io/gh/pandas-dev/pandas/pull/18820/diff?src=pr&el=tree#diff-cGFuZGFzL3V0aWwvX3Rlc3RfZGVjb3JhdG9ycy5weQ==) | `92.06% <77.77%> (-2.49%)` | :arrow_down: |
| [pandas/io/gbq.py](https://codecov.io/gh/pandas-dev/pandas/pull/18820/diff?src=pr&el=tree#diff-cGFuZGFzL2lvL2dicS5weQ==) | `25% <0%> (-58.34%)` | :arrow_down: |
| [pandas/core/frame.py](https://codecov.io/gh/pandas-dev/pandas/pull/18820/diff?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZnJhbWUucHk=) | `97.68% <0%> (-0.11%)` | :arrow_down: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/18820?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/18820?src=pr&el=footer). Last update [b6a7cc9...0dee6ad](https://codecov.io/gh/pandas-dev/pandas/pull/18820?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 thanks @WillAyd keep em coming!