BUG: Creation of Empty Dataframes is failing as of (2/1)
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- [ ] I have confirmed this bug exists on the latest version of pandas.

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**Note**: Please read [this guide](https://matthewrocklin.com/blog/work/2018/02/28/minimal-bug-reports) detailing how to provide the necessary information for us to reproduce your bug.

#### Code Sample, a copy-pastable example
I tried making a dummy dataframe
```
python


     column_names = ["a", "b", "c"]

      df = pd.DataFrame(columns = column_names)

```

#### Problem description

I am not able to create an empty df with columns.
![Screen Shot 2021-02-01 at 2 10 41 PM](https://user-images.githubusercontent.com/22840351/106506190-5f801180-6497-11eb-92bc-60122d65667f.png)


