File urllib3-ssl-default-context.patch of Package python3-urllib3

Index: b/urllib3/util/ssl_.py
===================================================================
--- a/urllib3/util/ssl_.py
+++ b/urllib3/util/ssl_.py
@@ -317,6 +317,8 @@ def ssl_wrap_socket(sock, keyfile=None,
     elif getattr(context, 'load_default_certs', None) is not None:
         # try to load OS default certs; works well on Windows (require Python3.4+)
         context.load_default_certs()
+    elif cert_reqs != ssl.CERT_NONE and hasattr(context, 'set_default_verify_paths'):
+        context.set_default_verify_paths()
 
     if certfile:
         context.load_cert_chain(certfile, keyfile)