Fix test changes script

Author: k-nut

test_changes.sh

@@ -12,12 +12,12 @@ fi
 echo "Using head reference: ${HEAD_REF}"
 
 CHANGED_SCRAPERS=$(git whatchanged --name-only --pretty="" origin/main..${HEAD_REF}  |
-                  grep spiders || true |
-                  grep -v helper || true |
+                  grep spiders  |
+                  grep -v helper  |
                   sed 's/jedeschule\/spiders\///' |
                   sed 's/\.py//' |
                   sed 's/_/\-/' | 
-		  uniq)
+		              uniq) || true
 
 if [ -z "$CHANGED_SCRAPERS" ]; then
     echo "No scrapers were changed"