diff --git a/lark/indenter.py b/lark/indenter.py
index 1a9e587..1121104 100644
--- a/lark/indenter.py
+++ b/lark/indenter.py
@@ -44,8 +44,7 @@ class Indenter(PostLex, ABC):
     def _process(self, stream):
         for token in stream:
             if token.type == self.NL_type:
-                for t in self.handle_NL(token):
-                    yield t
+                yield from self.handle_NL(token)
             else:
                 yield token
 
diff --git a/lark/reconstruct.py b/lark/reconstruct.py
index aa8c753..02b4947 100644
--- a/lark/reconstruct.py
+++ b/lark/reconstruct.py
@@ -89,8 +89,7 @@ class Reconstructor(TreeMatcher):
         for item in res:
             if isinstance(item, Tree):
                 # TODO use orig_expansion.rulename to support templates
-                for x in self._reconstruct(item):
-                    yield x
+                yield from self._reconstruct(item)
             else:
                 yield item