Try avoiding the CA file?

Author: TwistedTwigleg

samples/utils/command_line_utils.py

@@ -250,7 +250,7 @@ def build_websocket_x509_mqtt_connection(self, on_connection_interrupted, on_con
         x509_tls_options = io.TlsContextOptions.create_client_with_mtls_from_path(
                     self.get_command_required(self.m_cmd_x509_cert),
                     self.get_command_required(self.m_cmd_x509_key))
-        x509_tls_options.ca_dirpath = self.get_command(self.m_cmd_x509_ca)
+        # x509_tls_options.ca_dirpath = self.get_command(self.m_cmd_x509_ca)
         x509_tls_context = io.ClientTlsContext(x509_tls_options)
 
         x509_provider = auth.AwsCredentialsProvider.new_x509(