diff --git a/src/ert/plugins/hook_specifications/__init__.py b/src/ert/plugins/hook_specifications/__init__.py
index dd497a281cb..7b8cedc57ae 100644
--- a/src/ert/plugins/hook_specifications/__init__.py
+++ b/src/ert/plugins/hook_specifications/__init__.py
@@ -1,3 +1,4 @@
+from .activate_script import activate_script
 from .ecl_config import (
     ecl100_config_path,
     ecl300_config_path,
@@ -18,9 +19,9 @@
     add_span_processor,
 )
 from .site_config import site_config_lines
-from .activate_script import activate_script
 
 __all__ = [
+    "activate_script",
     "add_log_handle_to_root",
     "add_span_processor",
     "ecl100_config_path",
diff --git a/src/ert/plugins/plugin_manager.py b/src/ert/plugins/plugin_manager.py
index 214e26a0016..a4e93007d16 100644
--- a/src/ert/plugins/plugin_manager.py
+++ b/src/ert/plugins/plugin_manager.py
@@ -158,7 +158,7 @@ def _site_config_lines(self) -> List[str]:
 
     def activate_script(self) -> str:
         def activate_script():
-            shell = os.environ['SHELL']
+            shell = os.environ["SHELL"]
             venv = os.environ.get("VIRTUAL_ENV")
             if not venv:
                 return ""
diff --git a/src/ert/scheduler/driver.py b/src/ert/scheduler/driver.py
index 6de71fbfa27..227d146bef8 100644
--- a/src/ert/scheduler/driver.py
+++ b/src/ert/scheduler/driver.py
@@ -2,15 +2,14 @@
 
 import asyncio
 import logging
-import os
 import shlex
 from abc import ABC, abstractmethod
 from pathlib import Path
 from tempfile import NamedTemporaryFile
 from typing import Dict, Iterable, List, Optional, Tuple
 
-from .event import Event
 from ..plugins import ErtPluginManager
+from .event import Event
 
 SIGNAL_OFFSET = 128
 """Bash and other shells add an offset of 128 to the signal value when a process exited due to a signal"""
@@ -19,12 +18,12 @@
 def create_submit_script(runpath: Path, executable: str, args: tuple[str, ...]) -> str:
     activate_script = ErtPluginManager().activate_script()
     with NamedTemporaryFile(
-            dir=runpath,
-            prefix=".compute_activate",
-            suffix=".sh",
-            mode="w",
-            encoding="utf-8",
-            delete=False,
+        dir=runpath,
+        prefix=".compute_activate",
+        suffix=".sh",
+        mode="w",
+        encoding="utf-8",
+        delete=False,
     ) as script_handle:
         script_handle.write(activate_script)
     return (
diff --git a/tests/ert/unit_tests/plugins/test_plugin_manager.py b/tests/ert/unit_tests/plugins/test_plugin_manager.py
index 239b39dc1ed..161d7300161 100644
--- a/tests/ert/unit_tests/plugins/test_plugin_manager.py
+++ b/tests/ert/unit_tests/plugins/test_plugin_manager.py
@@ -142,7 +142,13 @@ def test_that_forward_model_step_is_registered(tmpdir):
 
 
 @pytest.mark.parametrize("venv", ["my_env", None])
-@pytest.mark.parametrize("shell, expected", [["csh", "#!csh\nsource my_env/bin/activate.csh"], ["bash", "#!bash\nsource my_env/bin/activate"]])
+@pytest.mark.parametrize(
+    "shell, expected",
+    [
+        ["csh", "#!csh\nsource my_env/bin/activate.csh"],
+        ["bash", "#!bash\nsource my_env/bin/activate"],
+    ],
+)
 def test_activate_script_generation(shell, expected, monkeypatch, venv):
     monkeypatch.setenv("SHELL", shell)
     pm = ErtPluginManager(plugins=[])
@@ -151,4 +157,4 @@ def test_activate_script_generation(shell, expected, monkeypatch, venv):
         assert pm.activate_script() == expected
     else:
         monkeypatch.delenv("VIRTUAL_ENV")
-        assert pm.activate_script() == ""
+        assert not pm.activate_script()