mgr/telemetry: fix issue with incompatible types

Signed-off-by: Laura Flores <lflores@redhat.com>

diff --git a/src/pybind/mgr/telemetry/module.py b/src/pybind/mgr/telemetry/module.py
index 4d6433e8c41ccc97b4e551dfa3c0621d59bd1b5f..91596436a9d86adcef2dd4f5bf9b8201d800a4ea 100644 (file)
--- a/src/pybind/mgr/telemetry/module.py
+++ b/src/pybind/mgr/telemetry/module.py
@@ -354,7 +354,7 @@ class Module(MgrModule):
 
         return result
 
-    def get_osd_histograms(self) -> Dict[str, dict]:
+    def get_osd_histograms(self) -> List[Dict[str, dict]]:
         # Initialize result dict
         result: Dict[str, dict] = defaultdict(lambda: defaultdict(
                                               lambda: defaultdict(
@@ -455,7 +455,7 @@ class Module(MgrModule):
                 # by returning an empty dict.
                 except (json.decoder.JSONDecodeError, KeyError) as e:
                     self.log.debug("Error caught: {}".format(e))
-                    return {}
+                    return list()
 
         return list(result.values())