error: Argument 1 to "astype" of "DataFrame" has incompatible type "Series[Any]"  [arg-type]

```python
import pandas as pd

df = pd.DataFrame({"a": [1, 2, 3], "b": [4, 5, 6]})
df = df.astype(df.dtypes)  # ✘ raises [arg-type]
```


**Please complete the following information:**
- python 3.10.6
- mypy                          0.982
- pandas                        1.5.1
- pandas-stubs                  1.5.1.221024