Patrick Schwientek

BUG: DataFrame.replace fails to replace value when column contains pd.NA

12

### Pandas version checks - [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the [latest version](https://pandas.pydata.org/docs/whatsnew/index.html) of...

fix type errors when rendering into a png

1

the dimension conversion calculations yield float values but `QImage` expects `int` in constructor as well as `.setDotsPerMeterX()` a quick fix is casting to `int()` but there are probably better ways