Fix two minor type errors

1 files changed, 10 insertions, 8 deletions

diff --git a/astroid/raw_building.py b/astroid/raw_building.py
index bb5b9ab1..2691be69 100644
--- a/astroid/raw_building.py
+++ b/astroid/raw_building.py
@@ -144,23 +144,25 @@ def build_function(
     else:
         arguments = None
 
-    default_nodes: list[nodes.NodeNG] | None = []
-    if defaults is not None:
+    default_nodes: list[nodes.NodeNG] | None
+    if defaults is None:
+        default_nodes = None
+    else:
+        default_nodes = []
         for default in defaults:
             default_node = nodes.const_factory(default)
             default_node.parent = argsnode
             default_nodes.append(default_node)
-    else:
-        default_nodes = None
 
-    kwonlydefault_nodes: list[nodes.NodeNG | None] | None = []
-    if kwonlydefaults is not None:
+    kwonlydefault_nodes: list[nodes.NodeNG | None] | None
+    if kwonlydefaults is None:
+        kwonlydefault_nodes = None
+    else:
+        kwonlydefault_nodes = []
         for kwonlydefault in kwonlydefaults:
             kwonlydefault_node = nodes.const_factory(kwonlydefault)
             kwonlydefault_node.parent = argsnode
             kwonlydefault_nodes.append(kwonlydefault_node)
-    else:
-        kwonlydefault_nodes = None
 
     # We set the lineno and col_offset to 0 because we don't have any
     # information about the location of the kwonly and posonlyargs.