# To Read
[4 PVC tips that will make you more productive](https://fb.workplace.com/notes/4516377471737510/)
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# Code
### Imports

`from bento import wait`

```
import pandas as pd
import numpy as np
```

`from fblearner.flow.api import types`

### DS

```
from datetime import date, timedelta
ds = date.today() - timedelta(days=1)
```

or use
```
from fblearner.flow.projects.pvc.date import (
    day, week,
    today, yesterday,
    date_range,
    latest_ds,
)
# All partitions from two weeks ago to the latest having landed
dataset = Dataset(
    namespace="some_namespace",
    table="some_table",
    partition=dict(
        ds=date_range(
            today() - 2 * week,
            latest_ds("some_namespace", "some_table"),
        ),
    ),
)
```