diff --git a/.travis.yml b/.travis.yml
index 4d81da3..112753d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,24 +11,17 @@ env:
 matrix:
   include:
     - python: '3.6'
-      env:
-        - EXTRAS="all"
     - python: '3.7'
-      env:
-        - EXTRAS="all"
     - python: '3.8'
-      env:
-        - EXTRAS="pmml, cta" # no 3.8 support for onnx yet 
 
 before_install:
   - pip install --upgrade pip
-  - pip install Cython
 
 install:
-  - pip install ".[$EXTRAS]"
+  - pip install ".[all]"
 
 script:
-  - python setup.py test
+  - pytest -v
 
 deploy:
   provider: pypi
diff --git a/aict_tools/__init__.py b/aict_tools/__init__.py
index 8c308d7..e11448a 100644
--- a/aict_tools/__init__.py
+++ b/aict_tools/__init__.py
@@ -1 +1 @@
-__version__ = '0.25.0'
+__version__ = '0.25.1'
diff --git a/aict_tools/scripts/fact_to_dl3.py b/aict_tools/scripts/fact_to_dl3.py
index 70139af..dcab038 100644
--- a/aict_tools/scripts/fact_to_dl3.py
+++ b/aict_tools/scripts/fact_to_dl3.py
@@ -325,7 +325,7 @@ def main(
         df['disp_prediction'] = disp
 
         if source:
-            obstime = Time(pd.to_datetime(df['timestamp'].values).to_pydatetime())
+            obstime = Time(df['timestamp'].to_numpy().astype('U'))
             source_altaz = concat_results_altaz(parallelize_array_computation(
                 partial(to_altaz, source=source),
                 obstime,
@@ -338,8 +338,8 @@ def main(
                 prediction_y,
                 source_altaz.zen.deg,
                 source_altaz.az.deg,
-                df['pointing_position_zd'].values,
-                df['pointing_position_az'].values,
+                df['pointing_position_zd'].to_numpy(),
+                df['pointing_position_az'].to_numpy(),
                 obstime,
                 n_jobs=n_jobs,
             )
@@ -358,13 +358,13 @@ def main(
                 calc_source_features_sim,
                 prediction_x,
                 prediction_y,
-                df['source_position_zd'].values,
-                df['source_position_az'].values,
-                df['pointing_position_zd'].values,
-                df['pointing_position_az'].values,
-                df['cog_x'].values,
-                df['cog_y'].values,
-                df['delta'].values,
+                df['source_position_zd'].to_numpy(),
+                df['source_position_az'].to_numpy(),
+                df['pointing_position_zd'].to_numpy(),
+                df['pointing_position_az'].to_numpy(),
+                df['cog_x'].to_numpy(),
+                df['cog_y'].to_numpy(),
+                df['delta'].to_numpy(),
                 project_disp=config.disp.project_disp,
                 n_jobs=n_jobs,
             )
diff --git a/setup.py b/setup.py
index 3a7a097..a2fb071 100644
--- a/setup.py
+++ b/setup.py
@@ -11,11 +11,12 @@
 
 extras_require = {
     'pmml': [
-        'sklearn2pmml<0.57',
+        'sklearn2pmml>=0.66',
         'jpmml_evaluator>=0.2.2',
     ],
     'onnx': ['skl2onnx', 'onnxmltools', 'onnxruntime~=1.0'],
     'cta': ['ctapipe'],
+    'tests': ['pytest', 'pytest-runner'],
 }
 extras_require['all'] = list({dep for deps in extras_require.values() for dep in deps})