diff --git a/litellm/caching.py b/litellm/caching.py
index dfc99367b1..c15813710a 100644
--- a/litellm/caching.py
+++ b/litellm/caching.py
@@ -505,10 +505,12 @@ class RedisCache(BaseCache):
             # 'results' is a list of values corresponding to the order of keys in 'key_list'.
             key_value_dict = dict(zip(key_list, results))
 
-            decoded_results = {
-                k.decode("utf-8"): self._get_cache_logic(v)
-                for k, v in key_value_dict.items()
-            }
+            decoded_results = {}
+            for k, v in key_value_dict.items():
+                if isinstance(k, bytes):
+                    k = k.decode("utf-8")
+                v = self._get_cache_logic(v)
+                decoded_results[k] = v
 
             return decoded_results
         except Exception as e:
diff --git a/litellm/integrations/prometheus_services.py b/litellm/integrations/prometheus_services.py
index ecd75ad0bc..151529b23a 100644
--- a/litellm/integrations/prometheus_services.py
+++ b/litellm/integrations/prometheus_services.py
@@ -58,7 +58,6 @@ class PrometheusServicesLogger:
 
     def is_metric_registered(self, metric_name) -> bool:
         for metric in self.REGISTRY.collect():
-            print(f"metric name: {metric.name}")
             if metric_name == metric.name:
                 return True
         return False
@@ -82,7 +81,7 @@ class PrometheusServicesLogger:
         )
 
     def create_counter(self, label: str):
-        metric_name = "litellm_{}_requests".format(label)
+        metric_name = "litellm_{}_failed_requests".format(label)
         is_registered = self.is_metric_registered(metric_name)
         if is_registered:
             return self.get_metric(metric_name)
@@ -158,6 +157,7 @@ class PrometheusServicesLogger:
                     )
 
     async def async_service_failure_hook(self, payload: ServiceLoggerPayload):
+        print(f"received error payload: {payload.error}")
         if self.mock_testing:
             self.mock_testing_failure_calls += 1
 
diff --git a/litellm/tests/test_prometheus_service.py b/litellm/tests/test_prometheus_service.py
index 2cb505fd9c..63ff347d3a 100644
--- a/litellm/tests/test_prometheus_service.py
+++ b/litellm/tests/test_prometheus_service.py
@@ -54,6 +54,8 @@ async def test_completion_with_caching():
 
     assert sl.mock_testing_async_success_hook > 0
     assert sl.prometheusServicesLogger.mock_testing_success_calls > 0
+    assert sl.mock_testing_sync_failure_hook == 0
+    assert sl.mock_testing_async_failure_hook == 0
 
 
 @pytest.mark.asyncio
@@ -81,6 +83,8 @@ async def test_completion_with_caching_bad_call():
         pass
 
     assert sl.mock_testing_async_failure_hook > 0
+    assert sl.mock_testing_async_success_hook == 0
+    assert sl.mock_testing_sync_success_hook == 0
 
 
 @pytest.mark.asyncio
@@ -134,6 +138,8 @@ async def test_router_with_caching():
         response1 = await router.acompletion(model="azure/gpt-4", messages=messages)
 
         assert sl.mock_testing_async_success_hook > 0
+        assert sl.mock_testing_sync_failure_hook == 0
+        assert sl.mock_testing_async_failure_hook == 0
         assert sl.prometheusServicesLogger.mock_testing_success_calls > 0
 
     except Exception as e:
@@ -194,6 +200,8 @@ async def test_router_with_caching_bad_call():
             pass
 
         assert sl.mock_testing_async_failure_hook > 0
+        assert sl.mock_testing_async_success_hook == 0
+        assert sl.mock_testing_sync_success_hook == 0
 
     except Exception as e:
         pytest.fail(f"An exception occured - {str(e)}")