diff --git a/specification/containerregistry/resource-manager/readme.md b/specification/containerregistry/resource-manager/readme.md
index c6a7135c84c8..0b21b2c74848 100644
--- a/specification/containerregistry/resource-manager/readme.md
+++ b/specification/containerregistry/resource-manager/readme.md
@@ -137,8 +137,11 @@ This is not used by Autorest itself.
 ``` yaml $(swagger-to-sdk)
 swagger-to-sdk:
   - repo: azure-sdk-for-python
+    autorest_options:
+      use: "@microsoft.azure/autorest.python@4.0.70"
     after_scripts:
       - python ./scripts/multiapi_init_gen.py azure-mgmt-containerregistry
+      - python ./scripts/trim_aio.py ./sdk/containerregistry/azure-mgmt-containerregistry
   - repo: azure-sdk-for-java
   - repo: azure-sdk-for-go
   - repo: azure-sdk-for-js