Formatting fix

Author: jd-au

astroquery/casda/tests/test_casda.py

@@ -295,5 +295,4 @@ def test_download_file(patch_get):
     filenames = casda.download_files(urls)
     assert filenames[0].endswith('askap_img.fits')
     assert filenames[1].endswith('askap_img.fits.checksum')
-    assert filenames[2].endswith('RACS-DR1_0000+18A.fits')
-    
+    assert filenames[2].endswith('RACS-DR1_0000+18A.fits')