>>> importjson>>> # Create a temp stage.>>> _=session.sql("create or replace temp stage mystage").collect()>>> # Upload a file to a stage.>>> r=session.file.put("tests/resources/testCSV.csv","@mystage",auto_compress=False,overwrite=True)>>> df=session.range(1).select(fl_is_video(to_file("@mystage/testCSV.csv")).alias("file"))>>> df.collect()[0][0]False