diff --git a/pangeo_forge_recipes/openers.py b/pangeo_forge_recipes/openers.py
index c9641568..f1ce4a7e 100644
--- a/pangeo_forge_recipes/openers.py
+++ b/pangeo_forge_recipes/openers.py
@@ -15,6 +15,7 @@
 
 logger = logging.getLogger(__name__)
 
+
 def open_url(
     url: str,
     cache: Optional[CacheFSSpecTarget] = None,
diff --git a/pangeo_forge_recipes/transforms.py b/pangeo_forge_recipes/transforms.py
index aa10862a..0ea4c0c1 100644
--- a/pangeo_forge_recipes/transforms.py
+++ b/pangeo_forge_recipes/transforms.py
@@ -206,7 +206,7 @@ def transfer_file(self, index: Index, url: str) -> Tuple[Index, str]:
         raise RuntimeError(f"Failed to transfer file {url} after {self.max_retries} attempts.")
 
 
-#TODO: MAKE SURE ALL URLS PUT IN COME OUT
+# TODO: MAKE SURE ALL URLS PUT IN COME OUT
 @dataclass
 class CheckpointFileTransfer(beam.PTransform):
     """