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Prevent Untitled12.ipynb by adding pipe. #82

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Sep 22, 2020
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Prevent Untitled12.ipynb by adding pipe. #82

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6 changes: 4 additions & 2 deletions py-polars/pypolars/frame.py
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Original file line number Diff line number Diff line change
@@ -1,10 +1,9 @@
from __future__ import annotations
from .pypolars import PyDataFrame, PySeries
from typing import Dict, Sequence, List, Tuple, Optional, Union
from typing import Dict, Sequence, List, Tuple, Optional, Union, Callable, TextIO, BinaryIO
from .series import Series, wrap_s
from .datatypes import *
import numpy as np
from typing import TextIO, BinaryIO


def wrap_df(df: PyDataFrame) -> DataFrame:
Expand Down Expand Up @@ -341,6 +340,9 @@ def groupby(self, by: Union[str, List[str]]) -> GroupBy:
if isinstance(by, str):
by = [by]
return GroupBy(self._df, by)

def pipe(self, func: Callable, *args, **kwargs):
return func(self, *args, **kwargs)

def join(
self,
Expand Down