def sra_download_paired_end(credentials, instance_config, instance_name,<EOL>script_dir, sra_run_acc, output_dir, **kwargs):
template = _TEMPLATE_ENV.get_template('<STR_LIT>')<EOL>startup_script = template.render(<EOL>script_dir=script_dir,<EOL>sra_run_acc=sra_run_acc,<EOL>output_dir=output_dir)<EOL>if len(startup_script) > <NUM_LIT>:<EOL><INDENT>raise ValueError('<STR_LIT>')<EOL><DEDENT>instance_config.create_instance(<EOL>credentials, instance_name, startup_script=startup_script, **kwargs)<EOL>
Download paired-end reads from SRA and convert to gzip'ed FASTQ files.

    TODO: docstring