Updated 'countInput()' in 'pytools.check_files' to only check FITS files to see whether they are STIS ASN files. The check was done using 'fileutil.isFITS()'.  The updated code was tested on a directory of WFPC2 GEIS images, a STIS ASN file, and a directory of ACS flt.fits files.  WJH 
Updated 'countInput()' in 'pytools.check_files' to only check FITS files to see whether they are STIS ASN files. The check was done using 'fileutil.isFITS()'.  The updated code was tested on a directory of WFPC2 GEIS images, a STIS ASN file, and a directory of ACS flt.fits files.  WJH 


git-svn-id: e4aa3cfa51ba591d1cd1dbbaf7e4a2c2b5d7a7ff@7987 fe389314-cf27-0410-b35b-8c050e845b92

spacetelescope/stsci.tools