diff --git a/pyproject.toml b/pyproject.toml
index 0606737fc6..ea8718e8a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,6 @@ unfixable = ['PIE794', 'ISC001']
 "manual/plugin_examples/*" = ['UP']
 "setup/changelog.py" = ['ISC001']
 "src/calibre/*" = ['UP031']
-"src/calibre/devices/kobo/driver.py" = ['E116']
 "src/calibre/ebooks/unihandecode/*codepoints.py" = ['E501']
 "src/calibre/ebooks/metadata/sources/*" = ['UP']
 "src/calibre/ebooks/metadata/sources/base.py" = ['RET501']
diff --git a/src/calibre/devices/kobo/driver.py b/src/calibre/devices/kobo/driver.py
index 6cfda4774b..3355a1bf5b 100644
--- a/src/calibre/devices/kobo/driver.py
+++ b/src/calibre/devices/kobo/driver.py
@@ -1487,8 +1487,9 @@ class KOBOTOUCH(KOBO):
     SAGE_PRODUCT_ID     = [0x4231]
     TOUCH_PRODUCT_ID    = [0x4163]
     TOUCH2_PRODUCT_ID   = [0x4224]
-    LIBRA_COLOR_PRODUCT_ID = [0x4237]   # This is shared by Kobo Libra Color, Clara Color and Clara BW
-                                        # as well as tolino shine 5, shine color and vision color. Sigh.
+    # This product id is shared by Kobo Libra Color, Clara Color and Clara BW
+    # as well as tolino shine 5, shine color and vision color. Sigh.
+    LIBRA_COLOR_PRODUCT_ID = [0x4237]
     # Kobo says the following will be used in future firmware (end 2024/2025)
     CLARA_COLOR_PRODUCT_ID = [0x4238]
     CLARA_BW_PRODUCT_ID    = [0x4239]