diff --git a/dacapo/experiments/run.py b/dacapo/experiments/run.py
index e7afb03a..55821a6c 100644
--- a/dacapo/experiments/run.py
+++ b/dacapo/experiments/run.py
@@ -6,6 +6,7 @@
 from .validation_scores import ValidationScores
 from .starts import Start
 from .model import Model
+from typing import Optional
 
 import torch
 
@@ -48,13 +49,13 @@ class Run:
     task: Task
     architecture: Architecture
     trainer: Trainer
-    datasplit: DataSplit
+    _datasplit: Optional[DataSplit]
 
     model: Model
     optimizer: torch.optim.Optimizer
 
     training_stats: TrainingStats
-    validation_scores: ValidationScores
+    _validation_scores: Optional[ValidationScores]
 
     def __init__(self, run_config, load_starter_model: bool = True):
         """
diff --git a/pyproject.toml b/pyproject.toml
index 0ab64cdf..8b32fe89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ dependencies = [
 # extras
 # https://peps.python.org/pep-0621/#dependencies-optional-dependencies
 [project.optional-dependencies]
-test = ["pytest==7.4.4", "pytest-cov", "pytest-lazy-fixture"]
+test = ["pytest", "pytest-cov", "pytest-lazy-fixtures"]
 dev = [
     "black",
     "mypy",
diff --git a/tests/components/test_arrays.py b/tests/components/test_arrays.py
index d62dcb97..d91863ad 100644
--- a/tests/components/test_arrays.py
+++ b/tests/components/test_arrays.py
@@ -3,15 +3,15 @@
 from dacapo.store.create_store import create_config_store
 
 import pytest
-from pytest_lazyfixture import lazy_fixture
+from pytest_lazy_fixtures import lf
 
 
 @pytest.mark.parametrize(
     "array_config",
     [
-        lazy_fixture("cellmap_array"),
-        lazy_fixture("zarr_array"),
-        lazy_fixture("dummy_array"),
+        lf("cellmap_array"),
+        lf("zarr_array"),
+        lf("dummy_array"),
     ],
 )
 def test_array_api(options, array_config):
diff --git a/tests/components/test_gp_arraysource.py b/tests/components/test_gp_arraysource.py
index 7ff62603..69fee515 100644
--- a/tests/components/test_gp_arraysource.py
+++ b/tests/components/test_gp_arraysource.py
@@ -5,15 +5,15 @@
 import gunpowder as gp
 
 import pytest
-from pytest_lazyfixture import lazy_fixture
+from pytest_lazy_fixtures import lf
 
 
 @pytest.mark.parametrize(
     "array_config",
     [
-        lazy_fixture("cellmap_array"),
-        lazy_fixture("zarr_array"),
-        lazy_fixture("dummy_array"),
+        lf("cellmap_array"),
+        lf("zarr_array"),
+        lf("dummy_array"),
     ],
 )
 def test_gp_dacapo_array_source(array_config):
diff --git a/tests/components/test_trainers.py b/tests/components/test_trainers.py
index 172a89b7..f3f9b07a 100644
--- a/tests/components/test_trainers.py
+++ b/tests/components/test_trainers.py
@@ -3,14 +3,14 @@
 from dacapo.store.create_store import create_config_store
 
 import pytest
-from pytest_lazyfixture import lazy_fixture
+from pytest_lazy_fixtures import lf
 
 
 @pytest.mark.parametrize(
     "trainer_config",
     [
-        lazy_fixture("dummy_trainer"),
-        lazy_fixture("gunpowder_trainer"),
+        lf("dummy_trainer"),
+        lf("gunpowder_trainer"),
     ],
 )
 def test_trainer(
diff --git a/tests/operations/test_apply.py b/tests/operations/test_apply.py
index 5ce608e1..02bbd47b 100644
--- a/tests/operations/test_apply.py
+++ b/tests/operations/test_apply.py
@@ -8,7 +8,7 @@
 from dacapo import apply
 
 import pytest
-from pytest_lazyfixture import lazy_fixture
+from pytest_lazy_fixtures import lf
 
 import logging
 
@@ -18,9 +18,9 @@
 @pytest.mark.parametrize(
     "run_config",
     [
-        # lazy_fixture("distance_run"),
-        lazy_fixture("dummy_run"),
-        # lazy_fixture("onehot_run"),
+        # lf("distance_run"),
+        lf("dummy_run"),
+        # lf("onehot_run"),
     ],
 )
 def test_apply(options, run_config, zarr_array, tmp_path):
diff --git a/tests/operations/test_predict.py b/tests/operations/test_predict.py
index cd8f6a6c..4a4b5347 100644
--- a/tests/operations/test_predict.py
+++ b/tests/operations/test_predict.py
@@ -8,7 +8,7 @@
 from dacapo import predict
 
 import pytest
-from pytest_lazyfixture import lazy_fixture
+from pytest_lazy_fixtures import lf
 
 import logging
 
@@ -18,9 +18,9 @@
 @pytest.mark.parametrize(
     "run_config",
     [
-        # lazy_fixture("distance_run"),
-        lazy_fixture("dummy_run"),
-        # lazy_fixture("onehot_run"),
+        # lf("distance_run"),
+        lf("dummy_run"),
+        # lf("onehot_run"),
     ],
 )
 def test_predict(options, run_config, zarr_array, tmp_path):
diff --git a/tests/operations/test_train.py b/tests/operations/test_train.py
index d36655ea..a852101b 100644
--- a/tests/operations/test_train.py
+++ b/tests/operations/test_train.py
@@ -7,7 +7,7 @@
 from dacapo.train import train_run
 
 import pytest
-from pytest_lazyfixture import lazy_fixture
+from pytest_lazy_fixtures import lf
 
 import logging
 
@@ -20,9 +20,9 @@
 @pytest.mark.parametrize(
     "run_config",
     [
-        lazy_fixture("distance_run"),
-        lazy_fixture("dummy_run"),
-        lazy_fixture("onehot_run"),
+        lf("distance_run"),
+        lf("dummy_run"),
+        lf("onehot_run"),
     ],
 )
 def test_train(
diff --git a/tests/operations/test_validate.py b/tests/operations/test_validate.py
index fa2cc6b9..b293bcbf 100644
--- a/tests/operations/test_validate.py
+++ b/tests/operations/test_validate.py
@@ -8,7 +8,7 @@
 from dacapo import validate
 
 import pytest
-from pytest_lazyfixture import lazy_fixture
+from pytest_lazy_fixtures import lf
 
 import logging
 
@@ -18,8 +18,8 @@
 @pytest.mark.parametrize(
     "run_config",
     [
-        lazy_fixture("distance_run"),
-        # lazy_fixture("onehot_run"),
+        lf("distance_run"),
+        # lf("onehot_run"),
     ],
 )
 def test_validate(