Index: pip-18.0/src/pip/_vendor/certifi/core.py
===================================================================
--- pip-18.0.orig/src/pip/_vendor/certifi/core.py
+++ pip-18.0/src/pip/_vendor/certifi/core.py
@@ -7,7 +7,6 @@ certifi.py
 
 This module returns the installation location of cacert.pem.
 """
-import os
 import warnings
 
 
@@ -19,9 +18,8 @@ class DeprecatedBundleWarning(Deprecatio
 
 
 def where():
-    f = os.path.dirname(__file__)
 
-    return os.path.join(f, 'cacert.pem')
+    return '/etc/ssl/ca-bundle.pem'
 
 
 def old_where():