fixing the stainless error

Author: Roxanne Farhad

src/agentex/_client.py

@@ -8,6 +8,8 @@
 
 import httpx
 
+from agentex.resources import DeploymentHistoryResource
+
 from . import _exceptions
 from ._qs import Querystring
 from ._types import (
@@ -175,6 +177,12 @@ def tracker(self) -> TrackerResource:
 
         return TrackerResource(self)
 
+    @cached_property
+    def deployment_history(self) -> DeploymentHistoryResource:
+        from .resources.deployment_history import DeploymentHistoryResource
+
+        return DeploymentHistoryResource(self)
+
     @cached_property
     def with_raw_response(self) -> AgentexWithRawResponse:
         return AgentexWithRawResponse(self)