refactoring and updating models for python 3.7 -- os_manager & permissions

server/src/uds/models/ServicesPool.py

@@ -45,7 +45,7 @@ from uds.core.services.Exceptions import InvalidServiceException
 from uds.models.uuid_model import UUIDModel
 from uds.models.Tag import TaggingMixin
 
-from uds.models.OSManager import OSManager
+from uds.models.os_manager import OSManager
 from uds.models.Service import Service
 from uds.models.transport import Transport
 from uds.models.group import Group

server/src/uds/models/__init__.py

@@ -33,7 +33,7 @@
 import logging
 
 # Permissions
-from .Permissions import Permissions
+from .permissions import Permissions
 
 # Utility
 from .util import getSqlDatetime
@@ -45,7 +45,7 @@ from .Provider import Provider
 from .Service import Service
 
 # Os managers
-from .OSManager import OSManager
+from .os_manager import OSManager
 
 # Transports
 from .transport import Transport

server/src/uds/models/os_manager.py

@@ -59,6 +59,9 @@ class OSManager(ManagedObjectModel, TaggingMixin):  # type: ignore
         ordering = ('name',)
         app_label = 'uds'
 
+    def getInstance(self, values: typing.Optional[typing.Dict[str, str]] = None) -> 'osmanagers.OSManager':
+        return typing.cast('osmanagers.OSManager', super().getInstance(values=values))
+
     def getType(self) -> typing.Type['osmanagers.OSManager']:
         """
         Get the type of the object this record represents.