diff --git a/src/vbl_aquarium/generate_cs.py b/src/vbl_aquarium/generate_cs.py
index 82c136b..1712976 100644
--- a/src/vbl_aquarium/generate_cs.py
+++ b/src/vbl_aquarium/generate_cs.py
@@ -82,7 +82,6 @@ def pydantic_to_csharp(pydantic_class, class_json):
             field_data = f"{enum_name} {alias if (alias := data.alias) else name}"
 
         if "bytearray" in str(data.annotation):
-            
             field_data = f"byte[] {alias if (alias := data.alias) else name}"
 
         # finally, deal with arrays
diff --git a/src/vbl_aquarium/models/urchin.py b/src/vbl_aquarium/models/urchin.py
index 1ba14ac..27d022b 100644
--- a/src/vbl_aquarium/models/urchin.py
+++ b/src/vbl_aquarium/models/urchin.py
@@ -138,16 +138,19 @@ class CustomMeshModel(VBLBaseModel):
 
 # Volumes
 
+
 class VolumeMetaModel(VBLBaseModel):
     name: str
     n_bytes: int
     colormap: list[Color]
     visible: bool
 
+
 class VolumeDataChunk(VBLBaseModel):
     name: str
     bytes: str
 
+
 # Utilities