don't use statics for R reference to r_to_py function
don't use statics for R reference to r_to_py function

terrytangyuan/reticulate,rstudio/reticulate,rstudio/reticulate,rstudio/reticulate,rstudio/reticulate,terrytangyuan/reticulate,rstudio/reticulate,terrytangyuan/reticulate