sphinx.ext.napoleon: Don't indent empty lines

Signed-off-by: Stephen Finucane <[email protected]>

Author: stephenfin

sphinx/ext/napoleon/docstring.py

@@ -534,7 +534,7 @@ def _get_min_indent(self, lines: list[str]) -> int:
         return min_indent or 0
 
     def _indent(self, lines: list[str], n: int = 4) -> list[str]:
-        return [(' ' * n) + line for line in lines]
+        return [(' ' * n) + line if line else line for line in lines]
 
     def _is_indented(self, line: str, indent: int = 1) -> bool:
         for i, s in enumerate(line):  # noqa: SIM110

tests/test_ext_napoleon_docstring.py

@@ -1154,7 +1154,7 @@ def test_noindex(self):
 .. method:: func(i, j)
    :no-index:
 
-   
+
    description
 """  # noqa: W293
         config = Config()