diff --git a/geoalchemy2/shape.py b/geoalchemy2/shape.py
index bd4d9652..33be633e 100644
--- a/geoalchemy2/shape.py
+++ b/geoalchemy2/shape.py
@@ -13,7 +13,7 @@
 from .elements import WKBElement
 from .elements import WKTElement
 
-if version.parse(shapely.__version__) < version.parse('1.7'):
+if version.parse(shapely.__version__) < version.parse('1.7'):  # pragma: no cover
     ######################################################################
     # Backport function from Shapely 1.7
     from shapely.geometry.base import geom_factory