mgr/orch: fix mypy errors

Fixes:

```
orchestrator/__init__.py:6: note: In module imported here:
orchestrator/_interface.py: note: In member "yaml_representer" of class "DaemonDescription":
orchestrator/_interface.py:1039: error: Argument 1 to "represent_dict" of "SafeRepresenter" has incompatible type "ItemsView[Any, Any]"; expected "Mapping[Any, Any]"
orchestrator/_interface.py: note: In member "yaml_representer" of class "ServiceDescription":
orchestrator/_interface.py:1178: error: Argument 1 to "represent_dict" of "SafeRepresenter" has incompatible type "ItemsView[Any, Any]"; expected "Mapping[Any, Any]"
orchestrator/_interface.py: note: At top level:
orchestrator/_interface.py:1181: error: Argument 2 to "add_representer" has incompatible type "Callable[[SafeDumper, DaemonDescription], Any]"; expected "Callable[[SafeDumper, ServiceDescription], Node]"
Found 3 errors in 1 file (checked 29 source files)
```

Signed-off-by: Sebastian Wagner <sewagner@redhat.com>

diff --git a/src/pybind/mgr/orchestrator/_interface.py b/src/pybind/mgr/orchestrator/_interface.py
index 773db30be8f80e982de4848456cceabcab1e54d4..9c18351599f3f94748e5de026fb8524e4bfe5b03 100644 (file)
--- a/src/pybind/mgr/orchestrator/_interface.py
+++ b/src/pybind/mgr/orchestrator/_interface.py
@@ -18,7 +18,7 @@ from contextlib import contextmanager
 from functools import wraps, reduce
 
 from typing import TypeVar, Generic, List, Optional, Union, Tuple, Iterator, Callable, Any, \
-    Sequence, Dict, cast
+    Sequence, Dict, cast, Mapping
 
 try:
     from typing import Protocol  # Protocol was added in Python 3.8
@@ -1036,7 +1036,7 @@ class DaemonDescription(object):
 
     @staticmethod
     def yaml_representer(dumper: 'yaml.SafeDumper', data: 'DaemonDescription') -> Any:
-        return dumper.represent_dict(data.to_json().items())
+        return dumper.represent_dict(cast(Mapping, data.to_json().items()))
 
 
 yaml.add_representer(DaemonDescription, DaemonDescription.yaml_representer)
@@ -1174,8 +1174,8 @@ class ServiceDescription(object):
         return cls(spec=spec, events=events, **c_status)
 
     @staticmethod
-    def yaml_representer(dumper: 'yaml.SafeDumper', data: 'DaemonDescription') -> Any:
-        return dumper.represent_dict(data.to_json().items())
+    def yaml_representer(dumper: 'yaml.SafeDumper', data: 'ServiceDescription') -> Any:
+        return dumper.represent_dict(cast(Mapping, data.to_json().items()))
 
 
 yaml.add_representer(ServiceDescription, ServiceDescription.yaml_representer)