Minor cleanup

.gitlab-ci.yml

@@ -52,7 +52,7 @@ tests:fedora:
   tags:
     - whitewhale
   script:
-  - dnf install -y python3 python3-mutagen python3-gobject gdk-pixbuf2 poppler-glib gdk-pixbuf2 gdk-pixbuf2-modules cairo-gobject cairo python3-cairo perl-Image-ExifTool mailcap 
+  - dnf install -y python3 python3-mutagen python3-gobject gdk-pixbuf2 poppler-glib gdk-pixbuf2 gdk-pixbuf2-modules cairo-gobject cairo python3-cairo perl-Image-ExifTool mailcap
   - gdk-pixbuf-query-loaders-64 > /usr/lib64/gdk-pixbuf-2.0/2.10.0/loaders.cache
   - python3 setup.py test
 

libmat2/exiftool.py

@@ -57,4 +57,4 @@ def _get_exiftool_path() -> str:  # pragma: no cover
         if os.access(exiftool_path, os.X_OK):
             return exiftool_path
 
-    raise ValueError
+    raise RuntimeError("Unable to find exiftool")