Update certifi to 2017.11.05

lib/certifi/core.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+certifi.py
+~~~~~~~~~~
+
+This module returns the installation location of cacert.pem.
+"""
+import os
+import warnings
+
+
+class DeprecatedBundleWarning(DeprecationWarning):
+    """
+    The weak security bundle is being deprecated. Please bother your service
+    provider to get them to stop using cross-signed roots.
+    """
+
+
+def where():
+    f = os.path.dirname(__file__)
+
+    return os.path.join(f, 'cacert.pem')
+
+
+def old_where():
+    warnings.warn(
+        "The weak security bundle is being deprecated. It will be removed in "
+        "2018.",
+        DeprecatedBundleWarning
+    )
+    f = os.path.dirname(__file__)
+    return os.path.join(f, 'weak.pem')
+
+if __name__ == '__main__':
+    print(where())