diff --git a/litellm/llms/github_copilot/per_user_auth.py b/litellm/llms/github_copilot/per_user_auth.py
index 10e5e12dec3..3dc8c12fe06 100644
--- a/litellm/llms/github_copilot/per_user_auth.py
+++ b/litellm/llms/github_copilot/per_user_auth.py
@@ -328,7 +328,7 @@ def _new_async_github_client() -> _AsyncGitHubClient:
 
     return cast(  # cast-ok: pins the untyped litellm client factory to the local Protocol
         Callable[[str], _AsyncGitHubClient],
-        getattr(http_handler, "get_async_httpx_client"),  # noqa: B009  # untyped factory
+        http_handler.get_async_httpx_client,
     )(_LLM_PROVIDER)
 
 
@@ -548,13 +548,7 @@ def github_copilot_auth_mode(litellm_credential_name: object, auth_type_value: o
 
         credential: Final = CredentialAccessor.find_credential(litellm_credential_name)
         if credential is not None:
-            values: Final[object] = getattr(credential, "credential_values", None)
-            return isinstance(values, Mapping) and (
-                cast(  # cast-ok: value is Mapping-checked or dict-shaped at runtime
-                    Mapping[object, object], values
-                ).get(GITHUB_COPILOT_AUTH_TYPE_KEY)
-                == GITHUB_COPILOT_PER_USER_AUTH_TYPE
-            )
+            return credential.credential_values.get(GITHUB_COPILOT_AUTH_TYPE_KEY) == GITHUB_COPILOT_PER_USER_AUTH_TYPE
         return auth_type_value == GITHUB_COPILOT_PER_USER_AUTH_TYPE
     if auth_type_value == GITHUB_COPILOT_PER_USER_AUTH_TYPE:
         raise BadRequestError(
diff --git a/litellm/proxy/credential_endpoints/endpoints.py b/litellm/proxy/credential_endpoints/endpoints.py
index 1584b12fd68..f51d71a4c20 100644
--- a/litellm/proxy/credential_endpoints/endpoints.py
+++ b/litellm/proxy/credential_endpoints/endpoints.py
@@ -5,7 +5,6 @@ CRUD endpoints for storing reusable credentials.
 import time
 import unicodedata
 from collections.abc import Mapping
-from datetime import datetime
 from typing import (
     Annotated,
     Final,
@@ -563,17 +562,12 @@ async def list_user_connections(
                 detail={"error": CommonProxyErrors.db_not_connected_error.value},
             )
         rows: Final = await list_user_provider_credentials(prisma_client, user_id)
-        github_logins: Final[dict[str, str]] = {}  # mutable-ok: accumulates one entry per credential row
-        connected_at: Final[dict[str, str]] = {}  # mutable-ok: accumulates one entry per credential row
-        for row in rows:
-            if row.provider != _GITHUB_COPILOT_PROVIDER:
-                continue
-            payload = decode_user_provider_credential(row.credential_b64)
-            if payload is not None:
-                github_logins[row.credential_name] = payload.github_login
-            updated = getattr(row, "updated_at", None)
-            if isinstance(updated, datetime):
-                connected_at[row.credential_name] = updated.isoformat()
+        copilot_rows: Final = tuple(row for row in rows if row.provider == _GITHUB_COPILOT_PROVIDER)
+        payloads: Final = {
+            row.credential_name: decode_user_provider_credential(row.credential_b64) for row in copilot_rows
+        }
+        github_logins: Final = {name: payload.github_login for name, payload in payloads.items() if payload is not None}
+        connected_at: Final = {row.credential_name: row.updated_at.isoformat() for row in copilot_rows}
         return UserProviderConnectionsResponse(
             connections=[
                 UserProviderConnection(
diff --git a/litellm/proxy/litellm_pre_call_utils.py b/litellm/proxy/litellm_pre_call_utils.py
index fdc2e6d94b8..2f7f15fcca2 100644
--- a/litellm/proxy/litellm_pre_call_utils.py
+++ b/litellm/proxy/litellm_pre_call_utils.py
@@ -2728,11 +2728,7 @@ def _per_user_oauth_configured() -> bool:
     )
 
     return any(
-        isinstance(values := getattr(credential, "credential_values", None), Mapping)
-        and cast("Mapping[object, object]", values).get(  # cast-ok: credential_values is a plain dict at runtime
-            GITHUB_COPILOT_AUTH_TYPE_KEY
-        )
-        == GITHUB_COPILOT_PER_USER_AUTH_TYPE
+        credential.credential_values.get(GITHUB_COPILOT_AUTH_TYPE_KEY) == GITHUB_COPILOT_PER_USER_AUTH_TYPE
         for credential in (litellm.credential_list or ())
     )
 
@@ -2749,12 +2745,8 @@ def _all_per_user_credential_names() -> tuple[str, ...]:
     return tuple(
         credential.credential_name
         for credential in (litellm.credential_list or ())
-        if getattr(credential, "credential_name", None)
-        and isinstance(values := getattr(credential, "credential_values", None), Mapping)
-        and cast("Mapping[object, object]", values).get(  # cast-ok: credential_values is a plain dict at runtime
-            GITHUB_COPILOT_AUTH_TYPE_KEY
-        )
-        == GITHUB_COPILOT_PER_USER_AUTH_TYPE
+        if credential.credential_name
+        and credential.credential_values.get(GITHUB_COPILOT_AUTH_TYPE_KEY) == GITHUB_COPILOT_PER_USER_AUTH_TYPE
     )