diff --git a/cyclonedx/model/bom.py b/cyclonedx/model/bom.py
index edad995e..e51b2e07 100644
--- a/cyclonedx/model/bom.py
+++ b/cyclonedx/model/bom.py
@@ -133,10 +133,9 @@ def tools(self) -> ToolsRepository:
 
     @tools.setter
     def tools(self, tools: Union[Iterable[Tool], ToolsRepository]) -> None:
-        if isinstance(tools, ToolsRepository):
-            self._tools = tools
-        else:
-            self._tools = ToolsRepository(tools=tools)
+        self._tools = tools \
+            if isinstance(tools, ToolsRepository) \
+            else ToolsRepository(tools=tools)
 
     @property
     @serializable.xml_array(serializable.XmlArraySerializationType.NESTED, 'author')
diff --git a/cyclonedx/model/vulnerability.py b/cyclonedx/model/vulnerability.py
index c9dfa629..76acb72c 100644
--- a/cyclonedx/model/vulnerability.py
+++ b/cyclonedx/model/vulnerability.py
@@ -1260,10 +1260,9 @@ def tools(self) -> ToolsRepository:
 
     @tools.setter
     def tools(self, tools: Union[Iterable[Tool], ToolsRepository]) -> None:
-        if isinstance(tools, ToolsRepository):
-            self._tools = tools
-        else:
-            self._tools = ToolsRepository(tools=tools)
+        self._tools = tools \
+            if isinstance(tools, ToolsRepository) \
+            else ToolsRepository(tools=tools)
 
     @property
     @serializable.xml_sequence(18)