diff --git a/src/calibre/devices/kobo/driver.py b/src/calibre/devices/kobo/driver.py
index 34bde73b82..a34c7beb1a 100644
--- a/src/calibre/devices/kobo/driver.py
+++ b/src/calibre/devices/kobo/driver.py
@@ -1894,10 +1894,10 @@ class KOBOTOUCH(KOBO):
         return extra_sheet
 
     def get_extra_css_rules(self, sheet, css_rule):
-        from cssutils.css import CSSRule
         return [r for r in sheet.cssRules.rulesOfType(css_rule)]
 
     def get_extra_css_rules_widow_orphan(self, sheet):
+        from cssutils.css import CSSRule
         return [r for r in self.get_extra_css_rules(sheet, CSSRule.STYLE_RULE)
                     if (r.style['widows'] or r.style['orphans'])]