Using (+) Operator With Python Pandas Timestamp in F# Fable

[jhonmolano09]

Below code works in python.

import pandas
from pandas.tseries.offsets import BDay

result = pandas.Timestamp("2022-08-18") + BDay(1)

And this is my F# Code

type IPandas =
    abstract member Timestamp: date:string -> obj

[<ImportAll("pandas")>]
let pandas: IPandas = nativeOnly

[<Import("BDay", from="pandas.tseries.offsets")>]
let BDay (days: int) :obj = nativeOnly

let result = pandas.Timestamp("2022-08-18") + BDay(1)   // error: The type 'obj' does not support the operator '+'

But I get the error: The type 'obj' does not support the operator '+'

[jhonmolano09]

So i ended using Emit and it works correctly

[<Emit("$0 + $1")>]
let add (timestamp:obj) (bday:obj) :obj = nativeOnly

let start = pandas.Timestamp("2022-08-18")

let result = add start  (BDay 1)

Compiles to valid python code

start: Any = pandas.Timestamp("2022-08-18")

result: Any = start + BDay(int8(1.0))