Fix routing of encrypted content

litellm/router.py

@@ -1289,6 +1289,11 @@ class Router:
                 )
             elif pre_call_check == "enforce_model_rate_limits":
                 _callback = ModelRateLimitingCheck(dual_cache=self.cache)
+            elif pre_call_check == "encrypted_content_affinity":
+                from litellm.router_utils.pre_call_checks.encrypted_content_affinity_check import (
+                    EncryptedContentAffinityCheck,
+                )
+                _callback = EncryptedContentAffinityCheck()
 
             if _callback is None:
                 continue