diff --git a/src/kpi_manager/service/KpiManagerServiceServicerImpl.py b/src/kpi_manager/service/KpiManagerServiceServicerImpl.py
index 4ffa1d2a68978ba74a7fee170a1b17502cbd8404..f1d370f30b20e871d2dd3e636afa4cad6ba0110c 100644
--- a/src/kpi_manager/service/KpiManagerServiceServicerImpl.py
+++ b/src/kpi_manager/service/KpiManagerServiceServicerImpl.py
@@ -36,8 +36,8 @@ class KpiManagerServiceServicerImpl(KpiManagerServiceServicer):
   
     @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
     def SetKpiDescriptor(
-            self, request: KpiDescriptor, grpc_context: grpc.ServicerContext
-        ) -> KpiId:
+            self, request: KpiDescriptor, grpc_context: grpc.ServicerContext # type: ignore
+        ) -> KpiId: # type: ignore
         response = KpiId()
         kpi_description = request.kpi_description
         kpi_sample_type = request.kpi_sample_type
@@ -58,7 +58,7 @@ class KpiManagerServiceServicerImpl(KpiManagerServiceServicer):
         return response
 
     @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
-    def DeleteKpiDescriptor(self, request: KpiId, grpc_context: grpc.ServicerContext) -> Empty:
+    def DeleteKpiDescriptor(self, request: KpiId, grpc_context: grpc.ServicerContext) -> Empty: # type: ignore
         kpi_id = int(request.kpi_id.uuid)
         kpi = self.management_db.get_KPI(kpi_id)
         if kpi:
@@ -68,7 +68,7 @@ class KpiManagerServiceServicerImpl(KpiManagerServiceServicer):
         return Empty()
 
     @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
-    def GetKpiDescriptor(self, request: KpiId, grpc_context: grpc.ServicerContext) -> KpiDescriptor:
+    def GetKpiDescriptor(self, request: KpiId, grpc_context: grpc.ServicerContext) -> KpiDescriptor: # type: ignore
         kpi_id = request.kpi_id.uuid
         kpi_db = self.management_db.get_KPI(int(kpi_id))
         kpiDescriptor = KpiDescriptor()
@@ -86,7 +86,7 @@ class KpiManagerServiceServicerImpl(KpiManagerServiceServicer):
         return kpiDescriptor
 
     @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
-    def SelectKpiDescriptor(self, request: KpiDescriptorFilter, grpc_context: grpc.ServicerContext) -> KpiDescriptorList:
+    def SelectKpiDescriptor(self, request: KpiDescriptorFilter, grpc_context: grpc.ServicerContext) -> KpiDescriptorList: # type: ignore
         kpi_descriptor_list = KpiDescriptorList()
         data = self.management_db.get_KPIS()
         LOGGER.debug(f"data: {data}")