Fix bool float no coercion
- [ x] closes #18549
- [x] tests added / passed
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [x] whatsnew entry

Hello @aschade! Thanks for updating the PR.

 - In the file [`pandas/core/internals.py`](https://github.com/pandas-dev/pandas/blob/0f72afd9ec46354d5086edc4f02164ebdd0ca8db/pandas/core/internals.py), following are the PEP8 issues :

> [Line 1070:80](https://github.com/pandas-dev/pandas/blob/0f72afd9ec46354d5086edc4f02164ebdd0ca8db/pandas/core/internals.py#L1070): [E501](https://duckduckgo.com/?q=pep8%20E501) line too long (84 > 79 characters)



##### Comment last updated on February 03, 2018 at 23:04 Hours UTC @aschade : Thanks for submitting this!  Quick question: any reason why you submitted a new PR? @gfyoung the other branch got out of sync so I just made a clean one @aschade you can simply merge master or rebase and force push to keep up to date 
this branch is ok for now  # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=h1) Report
> Merging [#18607](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/0e168188811677f9de72a6a5b97253e551b6b04a?src=pr&el=desc) will **decrease** coverage by `0.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/18607/graphs/tree.svg?width=650&height=150&src=pr&token=eZ4WkYLtcO)](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #18607      +/-   ##
==========================================
- Coverage   91.46%   91.45%   -0.02%     
==========================================
  Files         157      157              
  Lines       51439    51441       +2     
==========================================
- Hits        47051    47044       -7     
- Misses       4388     4397       +9
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `89.32% <100%> (ø)` | :arrow_up: |
| #single | `40.6% <20%> (-0.11%)` | :arrow_down: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/core/internals.py](https://codecov.io/gh/pandas-dev/pandas/pull/18607/diff?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvaW50ZXJuYWxzLnB5) | `94.47% <100%> (ø)` | :arrow_up: |
| [pandas/io/gbq.py](https://codecov.io/gh/pandas-dev/pandas/pull/18607/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/18607/diff?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZnJhbWUucHk=) | `97.81% <0%> (-0.1%)` | :arrow_down: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/18607?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/18607?src=pr&el=footer). Last update [0e16818...903ee6a](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=h1) Report
> Merging [#18607](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/3f3b4e0bc15107153167ec605b45676113ffb9c1?src=pr&el=desc) will **increase** coverage by `<.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/18607/graphs/tree.svg?height=150&width=650&token=eZ4WkYLtcO&src=pr)](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #18607      +/-   ##
==========================================
+ Coverage   91.62%   91.62%   +<.01%     
==========================================
  Files         150      150              
  Lines       48681    48685       +4     
==========================================
+ Hits        44604    44608       +4     
  Misses       4077     4077
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `89.99% <100%> (ø)` | :arrow_up: |
| #single | `41.81% <50%> (+0.07%)` | :arrow_up: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/core/ops.py](https://codecov.io/gh/pandas-dev/pandas/pull/18607/diff?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvb3BzLnB5) | `95.74% <ø> (ø)` | :arrow_up: |
| [pandas/core/frame.py](https://codecov.io/gh/pandas-dev/pandas/pull/18607/diff?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZnJhbWUucHk=) | `97.43% <100%> (ø)` | :arrow_up: |
| [pandas/core/reshape/merge.py](https://codecov.io/gh/pandas-dev/pandas/pull/18607/diff?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvcmVzaGFwZS9tZXJnZS5weQ==) | `94.21% <0%> (-0.01%)` | :arrow_down: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/18607?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/18607?src=pr&el=footer). Last update [3f3b4e0...0f72afd](https://codecov.io/gh/pandas-dev/pandas/pull/18607?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 @jreback Ok will do next time The Series tests pass for me locally but on AppVeyer they're failing since the operations are casting the Series' `dtype` to `int32` and on my local machine they're `int64`. Not really sure how to debug this since I can't reproduce locally. @jreback  closing as stale