Forgot param in python

Signed-off-by: Christopher Rabotin <[email protected]>

src/python/orbit_determination/process.rs

@@ -109,7 +109,7 @@ pub(crate) fn process_tracking_arc(
 /// You must also provide an export path and optionally and export configuration to export the results to a Parquet file.
 #[pyfunction]
 #[pyo3(
-    text_signature = "(dynamics, spacecraft, initial_estimate, step, export_path, export_cfg, predict_until=None, predict_for=None)"
+    text_signature = "(dynamics, spacecraft, initial_estimate, step, export_path, export_cfg, predict_until=None, predict_for=None, fixed_step=False)"
 )]
 pub(crate) fn predictor(
     dynamics: SpacecraftDynamics,
@@ -120,6 +120,7 @@ pub(crate) fn predictor(
     export_cfg: Option<ExportCfg>,
     predict_until: Option<Epoch>,
     predict_for: Option<Duration>,
+    fixed_step: Option<bool>,
 ) -> Result<String, NyxError> {
     // TODO: Return a navigation trajectory or use a class that mimics the better ODProcess -- https://github.com/nyx-space/nyx/issues/134
     let msr_noise = Matrix2::from_iterator(vec![1e-10, 0.0, 0.0, 1e-10]);
@@ -143,9 +144,11 @@ pub(crate) fn predictor(
     let mut odp = ODProcess::ckf(prop_est, kf, None, Cosm::de438());
 
     if let Some(epoch) = predict_until {
-        odp.predict_until(step, epoch).unwrap();
+        odp.predict_until(step, fixed_step.unwrap_or_else(|| false), epoch)
+            .unwrap();
     } else if let Some(duration) = predict_for {
-        odp.predict_for(step, duration).unwrap();
+        odp.predict_for(step, fixed_step.unwrap_or_else(|| false), duration)
+            .unwrap();
     }
 
     let maybe = odp.to_parquet(