diff --git a/litellm/router_utils/fallback_event_handlers.py b/litellm/router_utils/fallback_event_handlers.py
index 1abee667297..f25060b686b 100644
--- a/litellm/router_utils/fallback_event_handlers.py
+++ b/litellm/router_utils/fallback_event_handlers.py
@@ -554,21 +554,27 @@ def get_fallback_model_group(fallbacks: list[Any], model_group: str) -> tuple[li
     """
     generic_fallback_idx: int | None = None
     stripped_model_fallback: list[str] | None = None
-    pattern_model_fallback: list[str] | None = None  # mutable-ok: resolved inside the loop like stripped_model_fallback  # rebind-ok: one assignment inside the loop
+    pattern_model_fallback: list[str] | None = (
+        None  # mutable-ok: resolved inside the loop like stripped_model_fallback  # rebind-ok: one assignment inside the loop
+    )
     fallback_model_group: list[str] | None = None
     fallback_keys: Final = tuple(next(iter(item)) for item in fallbacks if isinstance(item, dict) and item)
     prefixed_model_group: Final = _provider_prefixed_model_group(model_group, fallback_keys)
     ## check for specific model group-specific fallbacks
     for idx, item in enumerate(fallbacks):
         if isinstance(item, dict):
-            fallback_key = cast(str, next(iter(item)))  # cast-ok: fallback entries are single-key dicts; the key is always a str
+            fallback_key = cast(
+                str, next(iter(item))
+            )  # cast-ok: fallback entries are single-key dicts; the key is always a str
             if fallback_key == model_group:  # check exact match
                 fallback_model_group = item[model_group]
                 break
             elif fallback_key == prefixed_model_group or _check_stripped_model_group(
                 model_group=model_group, fallback_key=fallback_key
             ):  # check generic fallback
-                stripped_model_fallback = cast(list[str], item[fallback_key])  # cast-ok: fallback chains are lists of model names
+                stripped_model_fallback = cast(
+                    list[str], item[fallback_key]
+                )  # cast-ok: fallback chains are lists of model names
             elif fallback_key == "*":  # check generic fallback
                 generic_fallback_idx = idx
             elif (
@@ -576,7 +582,9 @@ def get_fallback_model_group(fallbacks: list[Any], model_group: str) -> tuple[li
                 and "*" in fallback_key
                 and fnmatch.fnmatchcase(model_group, fallback_key)
             ):
-                pattern_model_fallback = cast(list[str], item[fallback_key])  # cast-ok: fallback chains are lists of model names
+                pattern_model_fallback = cast(
+                    list[str], item[fallback_key]
+                )  # cast-ok: fallback chains are lists of model names
         elif isinstance(item, str):
             fallback_model_group = [item]
     ## if none, check for generic fallback
@@ -584,7 +592,9 @@ def get_fallback_model_group(fallbacks: list[Any], model_group: str) -> tuple[li
         if stripped_model_fallback is not None:
             fallback_model_group = stripped_model_fallback
         elif pattern_model_fallback is not None:
-            fallback_model_group = pattern_model_fallback  # rebind-ok: one assignment per priority branch, same as stripped and generic
+            fallback_model_group = (
+                pattern_model_fallback  # rebind-ok: one assignment per priority branch, same as stripped and generic
+            )
         elif generic_fallback_idx is not None:
             fallback_model_group = fallbacks[generic_fallback_idx]["*"]
 
diff --git a/ui/litellm-dashboard/src/components/Settings/RouterSettings/Fallbacks/AddFallbacks.tsx b/ui/litellm-dashboard/src/components/Settings/RouterSettings/Fallbacks/AddFallbacks.tsx
index b41aa374f69..863143d3d76 100644
--- a/ui/litellm-dashboard/src/components/Settings/RouterSettings/Fallbacks/AddFallbacks.tsx
+++ b/ui/litellm-dashboard/src/components/Settings/RouterSettings/Fallbacks/AddFallbacks.tsx
@@ -63,7 +63,6 @@ export default function AddFallbacks({ accessToken, value = [], onChange }: AddF
     }
   }, [accessToken, isModalVisible]);
 
-
   const handleCancel = () => {
     setIsModalVisible(false);
     // Reset to initial state
diff --git a/ui/litellm-dashboard/src/components/Settings/RouterSettings/Fallbacks/fallbackOptions.test.ts b/ui/litellm-dashboard/src/components/Settings/RouterSettings/Fallbacks/fallbackOptions.test.ts
index 2b8766b382d..9f16691e8cd 100644
--- a/ui/litellm-dashboard/src/components/Settings/RouterSettings/Fallbacks/fallbackOptions.test.ts
+++ b/ui/litellm-dashboard/src/components/Settings/RouterSettings/Fallbacks/fallbackOptions.test.ts
@@ -63,9 +63,7 @@ describe("fallbackChainOptions", () => {
 
 describe("resolveFallbackProvider", () => {
   it("prefers the cost map litellm_provider", () => {
-    expect(
-      resolveFallbackProvider("gpt-4", { "gpt-4": { litellm_provider: "azure" } }, modelGroups),
-    ).toBe("azure");
+    expect(resolveFallbackProvider("gpt-4", { "gpt-4": { litellm_provider: "azure" } }, modelGroups)).toBe("azure");
   });
 
   it("falls back to the model group providers when the cost map misses", () => {
diff --git a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.test.tsx b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.test.tsx
index 6f819607e3f..cbb16892c63 100644
--- a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.test.tsx
+++ b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.test.tsx
@@ -16,8 +16,13 @@ vi.mock("@/components/llm_calls/fetch_models", () => ({
 }));
 
 vi.mock("../Settings/RouterSettings/Fallbacks/FallbackSelectionForm", () => ({
-  FallbackSelectionForm: ({ availableModels }: { availableModels: string[] }) => (
-    <div data-testid="available-models">{availableModels.join(",")}</div>
+  FallbackSelectionForm: ({ modelGroups }: { modelGroups: { model_group: string }[] }) => (
+    <div data-testid="available-models">
+      {modelGroups
+        .map((modelGroup) => modelGroup.model_group)
+        .sort()
+        .join(",")}
+    </div>
   ),
 }));