What is the effect of having to transport an inmate to testify in a civil case?

presence, and (3) the expense of transportation and security, and (4) whether the suit can be stayed until the inmate is released without prejudice to the cause asserted. Wiggins v. County of Alameda, 717 F.2d 466, 468 n.1 (9th Cir. 1983); see also Walker v. Sumner, 14 F.3d 1415, 1422 (9th Cir. 1994) (district court did not abuse its discretion when it concluded the inconvenience and expense of transporting inmate witness outweighed any benefit he could provide where the importance of the witness's testimony could not be determined), abrogated on other grounds by Sandin v. Conner, 515 U.S. 472 (1995).