Index: b/src/pip/_vendor/certifi/core.py
===================================================================
--- a/src/pip/_vendor/certifi/core.py
+++ b/src/pip/_vendor/certifi/core.py
@@ -7,13 +7,11 @@ certifi.py
 
 This module returns the installation location of cacert.pem.
 """
-import os
 
 
 def where():
-    f = os.path.dirname(__file__)
 
-    return os.path.join(f, 'cacert.pem')
+    return '/etc/ssl/ca-bundle.pem'
 
 
 if __name__ == '__main__':