diff --git a/_pytest/runner.py b/_pytest/runner.py
index 94f43a76e..4cc2ef6ac 100644
--- a/_pytest/runner.py
+++ b/_pytest/runner.py
@@ -498,6 +498,7 @@ def importorskip(modname, minversion=None):
     try:
         __import__(modname)
     except ImportError:
+        # Do not raise chained exception here(#1485)
         should_skip = True
     if should_skip:
         skip("could not import %r" %(modname,))