Fix bug

Author: magbak

lib/sparql_database/src/embedded_oxigraph.rs

@@ -1,6 +1,6 @@
 use super::{parse_json_text, SparqlQueryError, SparqlQueryable};
 use async_trait::async_trait;
-use pyo3::types::PyAnyMethods;
+use pyo3::types::{PyAnyMethods, PyNone};
 use pyo3::{Py, PyAny, Python};
 use sparesults::QuerySolution;
 use spargebra::Query;
@@ -30,7 +30,7 @@ impl SparqlQueryable for EmbeddedOxigraph {
                 .store
                 .call_method1(py, "query", (query.to_string(),))
                 .unwrap()
-                .call_method1(py, "serialize", ((), json_format))
+                .call_method1(py, "serialize", (PyNone::get(py), json_format))
                 .unwrap();
             let json_bytes: Vec<u8> = json.extract(py).unwrap();
             let json_string = String::from_utf8(json_bytes).unwrap();

py_chrontext/pyproject.toml

@@ -1,14 +1,14 @@
 [project]
 name = "chrontext"
 description = "Hybrid SPARQL query engine for timeseries data"
-dependencies = ["polars>=0.20.2",
+dependencies = ["polars>=1.27.1",
                 "pyarrow>=7.0.0",
                 "pandas",
                 "sqlalchemy>=2.0.31",
                 "sqlalchemy-bigquery>=1.11.0",
                 "databricks-sqlalchemy>=2.0.4",
                 "databricks-sql-connector>=3.3.0",
-                "pyoxigraph>=0.4.2"]
+                "pyoxigraph>=0.4.9"]
 readme = "README.md"
 authors = [{ name = "Magnus Bakken", email = "magnus@data-treehouse.com" }]
 license = { file = "LICENSE" }