proto feature shouldn't be part of io

Author: ljeub-pometry

raphtory/Cargo.toml

@@ -123,7 +123,6 @@ io = [
     "dep:tokio",
     "dep:parquet",
     "dep:tempfile",
-    "proto",
     "kdam",
 ]
 
@@ -149,7 +148,6 @@ python = [
     "io",
     "arrow",
     "vectors",
-    "proto",
     "dep:pyo3",
     "dep:numpy",
     "dep:num",

raphtory/src/serialise/parquet/model.rs

@@ -54,8 +54,8 @@ impl<'a> Serialize for ParquetProp<'a> {
                 state.end()
             }
             Prop::Decimal(dec) => serializer.serialize_str(&dec.to_string()),
-            _ => {
-                todo!("Serializer not implemented")
+            Prop::Array(_) => {
+                todo!("Serializer not implemented for Array (TODO: ")
             }
         }
     }