D409: Section underline should match the length of its name (pandas-dev#31958)

Author: simonjayhawkins

pandas/core/indexes/multi.py

@@ -1685,7 +1685,7 @@ def _lexsort_depth(self) -> int:
         MultiIndex that are sorted lexically
 
         Returns
-        ------
+        -------
         int
         """
         int64_codes = [ensure_int64(level_codes) for level_codes in self.codes]

pandas/tests/arithmetic/common.py

@@ -13,7 +13,7 @@ def assert_invalid_addsub_type(left, right, msg=None):
     Helper to assert that left and right can be neither added nor subtracted.
 
     Parameters
-    ---------
+    ----------
     left : object
     right : object
     msg : str or None, default None

pandas/util/_test_decorators.py

@@ -40,15 +40,15 @@ def test_foo():
 
 def safe_import(mod_name: str, min_version: Optional[str] = None):
     """
-    Parameters:
-    -----------
+    Parameters
+    ----------
     mod_name : str
         Name of the module to be imported
     min_version : str, default None
         Minimum required version of the specified mod_name
 
-    Returns:
-    --------
+    Returns
+    -------
     object
         The imported module if successful, or False
     """