The input column name in query contains special characters
The input column name in pandas.dataframe.query() contains special characters.
I saw the change in 0.25, but still have . \ / 等问题
And  main problem is that I can't restore these characters after converting them to  "_"  , which is a very serious problem.

I have an idea
```python
input： pandas.dataframe
Intermediate processing：
`x2E`(Hex)-> like pandas`x2E`dataframe(Add backslashes after processing the data) ->pandas\x2Edataframe
output pandas\x2Edataframe

```