diff --git a/tests/example_tests/test_dvs.py b/tests/example_tests/test_dvs.py
index 536f764b8b7..1108065b5a6 100644
--- a/tests/example_tests/test_dvs.py
+++ b/tests/example_tests/test_dvs.py
@@ -1,11 +1,12 @@
-import pytest
+import threading
+import time
 
 from ansys.pyensight.core import DockerLauncher, LocalLauncher
 from ansys.pyensight.core.dvs import DVS
-from ansys.pyensight.core.utils.dsg_server import UpdateHandler, DSGSession
-import threading
-import time
+from ansys.pyensight.core.utils.dsg_server import DSGSession, UpdateHandler
 import numpy
+import pytest
+
 
 def handle_update(dsg_link):
     dsg_link.start()
@@ -15,13 +16,14 @@ def handle_update(dsg_link):
     dsg_link.end()
     dsg_link._callback_handler.shutdown()
 
+
 class LocalUpdateHandler(UpdateHandler):
     def __init__(self):
         super().__init__()
         self._conn = None
         self._coords = None
         self._tcoords = None
- 
+
     def finalize_part(self, part):
         vals = super().finalize_part(part)
         self._conn = part.conn_tris
@@ -29,24 +31,29 @@ def finalize_part(self, part):
         self._tcoords = part.tcoords
         return vals
 
+
 def wait_for_data(handler):
     available = False
     start = time.time()
     while not available and time.time() - start < 60:
-        if handler._conn is not None and handler._coords is not None and handler._tcoords is not None:
+        if (
+            handler._conn is not None
+            and handler._coords is not None
+            and handler._tcoords is not None
+        ):
             available = True
         time.sleep(0.5)
     return available
 
+
 def build_numpy_conn_simba_format(conn):
     replacement = 3
     num_insertions = int(conn.size / replacement)
     new_values = numpy.full(num_insertions, replacement)
-    face_array = numpy.insert(
-        conn, numpy.arange(0, int(conn.size), replacement), new_values
-    )
+    face_array = numpy.insert(conn, numpy.arange(0, int(conn.size), replacement), new_values)
     return face_array
 
+
 def test_dvs_data(tmpdir, pytestconfig: pytest.Config):
     data_dir = tmpdir.mkdir("datadir")
     use_local = pytestconfig.getoption("use_local_launcher")
@@ -55,8 +62,8 @@ def test_dvs_data(tmpdir, pytestconfig: pytest.Config):
     else:
         launcher = DockerLauncher(data_directory=data_dir, use_dev=True)
     session = launcher.start()
-    cas_file = session.download_pyansys_example("mixing_elbow.cas.h5","pyfluent/mixing_elbow")
-    dat_file = session.download_pyansys_example("mixing_elbow.dat.h5","pyfluent/mixing_elbow")
+    cas_file = session.download_pyansys_example("mixing_elbow.cas.h5", "pyfluent/mixing_elbow")
+    dat_file = session.download_pyansys_example("mixing_elbow.dat.h5", "pyfluent/mixing_elbow")
     session.load_data(cas_file, result_file=dat_file)
     dvs = None
     if use_local:
@@ -65,11 +72,11 @@ def test_dvs_data(tmpdir, pytestconfig: pytest.Config):
         dvs = DVS(session=session)
     update_handler = LocalUpdateHandler()
     link = DSGSession(
-        port = session._grpc_port,
+        port=session._grpc_port,
         host=session.hostname,
         security_code=session.secret_key,
         vrmode=False,
-        handler= update_handler
+        handler=update_handler,
     )
     dsg_thread = threading.Thread(target=handle_update, args=(link,))
     dsg_thread.start()
@@ -79,7 +86,9 @@ def test_dvs_data(tmpdir, pytestconfig: pytest.Config):
     part.COLORBYPALETTE = "Static_Pressure"
     variable = session.ensight.objs.core.VARIABLES.find("Static_Pressure")[0]
     session.cmd("import enspyqtgui_int", do_eval=False)
-    session.cmd('enspyqtgui_int.dynamic_scene_graph_command("dynamicscenegraph://localhost/client/update")')
+    session.cmd(
+        'enspyqtgui_int.dynamic_scene_graph_command("dynamicscenegraph://localhost/client/update")'
+    )
     assert wait_for_data(update_handler)
     conn = build_numpy_conn_simba_format(update_handler._conn)
     dvs.start_dvs_servers(3, 0, 1)
@@ -88,21 +97,19 @@ def test_dvs_data(tmpdir, pytestconfig: pytest.Config):
     dvs.begin_updates(session.ensight.objs.core.TIMEVALUES[0][1])
     dvs.send_connectivity(part.PARTNUMBER, conn)
     dvs.send_coordinates(part.PARTNUMBER, update_handler._coords)
-    var_location = dvs.LOCATION_ELEMENT if variable.LOCATION == session.ensight.objs.enums.ENS_VAR_ELEM else dvs.LOCATION_NODE
+    var_location = (
+        dvs.LOCATION_ELEMENT
+        if variable.LOCATION == session.ensight.objs.enums.ENS_VAR_ELEM
+        else dvs.LOCATION_NODE
+    )
     var_type = dvs.VARTYPE_SCALAR
     dvs.create_variable(
-        variable.ID, 
-        variable.DESCRIPTION, 
+        variable.ID,
+        variable.DESCRIPTION,
         var_type,
         var_location,
         variable.ENS_UNITS_DIMS,
         variable.ENS_UNITS_LABEL,
-        variable.metadata
+        variable.metadata,
     )
     dvs.send_variable_data(variable.ID, part.PARTNUMBER, update_handler._tcoords)
-
-
-
-    
-    
-    
\ No newline at end of file