import("sys") will change Sys.which("python")

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library(reticulate)
Sys.which("python")
python
"/home/jinshan/anaconda3/bin/python"
import("sys")
Module(sys)
Sys.which("python")
python
"/usr/bin/python"

reticulate version 1.11

when I use import_from_path will make no module error, because import_form_path will call import("sys") which will change path, making some module can not be found.

Reproduce the behavior in the issue using reticulate 1.11, comparing Sys.which("python") before and after import("sys"). Start by tracing import_from_path and its call to import("sys"); done means importing sys no longer changes Python resolution or causes modules to become unavailable.