RDBC-788 Make CA path optional

Author: poissoncorp

ravendb/changes/database_changes.py

@@ -88,8 +88,9 @@ def _connect_websocket_secured(self, url: str) -> None:
         server_certificate = base64.b64decode(self._get_server_certificate())
         ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
         ssl_context.load_cert_chain(self._request_executor.certificate_path)
-        ssl_context.load_verify_locations(self._request_executor.trust_store_path)
-        ssl_context.verify_mode = ssl.CERT_REQUIRED
+        if self._request_executor.trust_store_path:
+            ssl_context.verify_mode = ssl.CERT_REQUIRED
+            ssl_context.load_verify_locations(self._request_executor.trust_store_path)
 
         # Create SSL WebSocket and connect it
         self.client_websocket = WebSocket(sslopt={"context": ssl_context})