Better docs and simpler ifs

Signed-off-by: Artem Smotrakov <asmotrakov@riotgames.com>

Author: artem-smotrakov

cyclonedx/model/bom.py

@@ -85,7 +85,7 @@ def timestamp(self, timestamp: datetime) -> None:
     @property
     def component(self) -> Optional[Component]:
         """
-        Get a Component of this Bom Metadata.
+        The (optional) component that the BOM describes.
 
         Returns:
             `cyclonedx.model.component.Component` instance for this Bom Metadata.
@@ -95,7 +95,7 @@ def component(self) -> Optional[Component]:
     @component.setter
     def component(self, component: Component) -> None:
         """
-        Set a Component for this Bom Metadata.
+        The (optional) component that the BOM describes.
 
         Args:
             component

cyclonedx/output/xml.py

@@ -113,7 +113,7 @@ def _add_metadata_element(self) -> None:
             for tool in bom_metadata.tools:
                 self._add_tool(parent_element=tools_e, tool=tool)
 
-        if bom_metadata.component is not None:
+        if bom_metadata.component:
             metadata_e.append(self._add_component_element(component=bom_metadata.component))
 
     def _add_component_element(self, component: Component) -> ElementTree.Element: