[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/sphinx_autodoc_typehints/__init__.py

@@ -876,11 +876,10 @@ def _append_default(
             next_index += 1
         lines[append_index] += formatted_default
 
-    else:  # add to last param doc line
-        if type_annotation.endswith(" "):
-            type_annotation += formatted_default
-        else:
-            type_annotation = f"{type_annotation}, {formatted_default}"
+    elif type_annotation.endswith(" "):
+        type_annotation += formatted_default
+    else:
+        type_annotation = f"{type_annotation}, {formatted_default}"
 
     return type_annotation