Fix two pydoctor warnings.

dulwich/object_store.py

@@ -270,7 +270,7 @@ class PackBasedObjectStore(BaseObjectStore):
 
     def pack_loose_objects(self):
         """Pack loose objects.
-        
+
         :return: Number of objects packed
         """
         objects = set()

dulwich/objects.py

@@ -66,7 +66,7 @@ def S_ISGITLINK(m):
     """Check if a mode indicates a submodule.
 
     :param m: Mode to check
-    :return: a `boolean`
+    :return: a ``boolean``
     """
     return (stat.S_IFMT(m) == S_IFGITLINK)
 

dulwich/repo.py

@@ -920,7 +920,7 @@ class BaseRepo(object):
     def get_refs(self):
         """Get dictionary with all refs.
 
-        :return: A `dict` mapping ref names to SHA1s
+        :return: A ``dict`` mapping ref names to SHA1s
         """
         return self.refs.as_dict()