prevent 'NULL value passed as symbol address' by setting the env with kevins suggestion
prevent 'NULL value passed as symbol address' by setting the env with kevins suggestion

JanMarvin/rstudio,JanMarvin/rstudio,jar1karp/rstudio,jar1karp/rstudio,JanMarvin/rstudio,jrnold/rstudio,jrnold/rstudio,jrnold/rstudio,jrnold/rstudio,jar1karp/rstudio,JanMarvin/rstudio,jar1karp/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,jrnold/rstudio,jrnold/rstudio,JanMarvin/rstudio,jar1karp/rstudio,jar1karp/rstudio,jar1karp/rstudio,jrnold/rstudio,jar1karp/rstudio,JanMarvin/rstudio,jrnold/rstudio,JanMarvin/rstudio,jrnold/rstudio,jar1karp/rstudio