diff --git a/skymap_scanner/recos/__init__.py b/skymap_scanner/recos/__init__.py
index 53abea12b..b07773198 100644
--- a/skymap_scanner/recos/__init__.py
+++ b/skymap_scanner/recos/__init__.py
@@ -3,10 +3,10 @@
 # mypy: ignore-errors
 # fmt: off
 
+from abc import ABC, abstractmethod
 import importlib
 import pkgutil
-from abc import ABC, abstractmethod
-from typing import Any, List, TYPE_CHECKING, Tuple, Union
+from typing import TYPE_CHECKING, Any, Dict, List, Tuple, Union
 
 if TYPE_CHECKING:  # https://stackoverflow.com/a/65265627
     from ..utils.pixel_classes import RecoPixelVariation
@@ -17,8 +17,8 @@
 try:  # these are only used for typehints, so mock imports are fine
     from icecube.dataclasses import I3Position  # type: ignore[import]
     from icecube.icetray import I3Frame  # type: ignore[import]
-    from icecube import astro # type: ignore[import]
-except ImportError: # type: ignore[import]
+    from icecube import astro  # type: ignore[import]
+except ImportError:  # type: ignore[import]
     I3Position = Any
     I3Frame = Any
 
@@ -88,7 +88,7 @@ def traysegment(self, tray, name, logger, **kwargs: Any) -> None:
     @staticmethod
     @abstractmethod
     def to_recopixelvariation(
-        frame: I3Frame, geometry: I3Frame
+            frame: I3Frame, geometry: I3Frame
     ) -> "RecoPixelVariation":
         raise NotImplementedError()
 
@@ -123,9 +123,10 @@ def get_reco_spline_requirements(name: str) -> List[str]:
             raise UnsupportedRecoAlgoException(name) from e
         raise  # something when wrong AFTER accessing sub-module
 
+
 def set_pointing_ra_dec(
-    particle_name_possibilities: Union[List[str], None],
-    p_frame: I3Frame
+        particle_name_possibilities: Union[List[str], None],
+        p_frame: I3Frame
 ) -> Union[Tuple[float, float], None]:
     """Retrieves the direction for a pointed scan"""
     pointing_ra_dec = None
diff --git a/skymap_scanner/recos/crash_dummy.py b/skymap_scanner/recos/crash_dummy.py
index 3060c421c..ce07e9eeb 100644
--- a/skymap_scanner/recos/crash_dummy.py
+++ b/skymap_scanner/recos/crash_dummy.py
@@ -1,5 +1,6 @@
 """IceTray segment for a dummy reco (will crash w/in a given probability)."""
 
+import os
 import random
 import time
 from typing import Final
@@ -21,9 +22,11 @@ def traysegment(tray, name, logger, **kwargs):
 
         def crash(frame):
             rand = random.random()
-            logger.debug(f"crash probability: {ENV.SKYSCAN_CRASH_DUMMY_PROBABILITY=}")
+            logger.debug(
+                f"crash probability: {os.getenv('SKYSCAN_CRASH_DUMMY_PROBABILITY')}"
+            )
 
-            if rand < ENV.SKYSCAN_CRASH_DUMMY_PROBABILITY:
+            if rand < float(os.getenv("SKYSCAN_CRASH_DUMMY_PROBABILITY")):
                 logger.debug(f"crash! {rand=}")
 
                 # now, pick what to fail with
diff --git a/skymap_scanner/recos/splinempe.py b/skymap_scanner/recos/splinempe.py
index fc7472fb4..d797c403f 100644
--- a/skymap_scanner/recos/splinempe.py
+++ b/skymap_scanner/recos/splinempe.py
@@ -4,22 +4,40 @@
 # fmt: off
 
 import datetime
-from typing import Final
-
 import numpy as np
+from typing import Final, List
+
+
+from icecube.icetray import I3Units  # type: ignore[import]
+
 # NOTE: icecube module imports are required to make IceTray modules and services available.
-from icecube import (dataclasses)  # type: ignore[import]  # noqa: F401
-from icecube.STTools.seededRT.configuration_services import \
-    I3DOMLinkSeededRTConfigurationService  # type: ignore[import]
+from icecube import (  # type: ignore[import]  # noqa: F401
+    dataclasses,
+    DomTools,
+    frame_object_diff,
+    gulliver,
+    gulliver_modules,
+    icetray,
+    lilliput,
+    mue,
+    spline_reco,
+    photonics_service,
+    recclasses,
+    simclasses,
+    STTools,
+    VHESelfVeto,
+)
+
 # Class bindings directly accessed by the python code are imported explicitly.
-from icecube.icetray import I3Frame, I3Units, traysegment  # type: ignore[import]; type: ignore[import]
-from icecube.lilliput import i3minuit, scipymin  # type: ignore[import]
+from icecube.icetray import I3Frame, traysegment  # type: ignore[import]
+from icecube.lilliput import scipymin, i3minuit  # type: ignore[import]
 from icecube.photonics_service import I3PhotoSplineService  # type: ignore[import]
+from icecube.STTools.seededRT.configuration_services import I3DOMLinkSeededRTConfigurationService  # type: ignore[import]
 
-from . import RecoInterface, VertexGenerator
-from .common.pulse_proc import mask_deepcore
 from .. import config as cfg
 from ..utils.pixel_classes import RecoPixelVariation
+from . import RecoInterface, VertexGenerator
+from .common.pulse_proc import mask_deepcore
 
 
 class SplineMPE(RecoInterface):
diff --git a/skymap_scanner/recos/splinempe_pointed.py b/skymap_scanner/recos/splinempe_pointed.py
index 0440a15b6..0dbd1100e 100644
--- a/skymap_scanner/recos/splinempe_pointed.py
+++ b/skymap_scanner/recos/splinempe_pointed.py
@@ -5,8 +5,8 @@
 
 from typing import Final
 
-from . import RecoInterface, splinempe
-
+from . import splinempe
+from . import RecoInterface
 
 class SplineMPEPointed(splinempe.SplineMPE):
 
diff --git a/skymap_scanner/utils/pixel_classes.py b/skymap_scanner/utils/pixel_classes.py
index 79d67fc10..bb3fe9e08 100644
--- a/skymap_scanner/utils/pixel_classes.py
+++ b/skymap_scanner/utils/pixel_classes.py
@@ -4,7 +4,8 @@
 import time
 from typing import Any, Dict, Tuple
 
-from .. import config as cfg, recos
+from .. import config as cfg
+from .. import recos
 
 try:  # these are only used for typehints, so mock imports are fine
     from icecube.dataclasses import I3Position  # type: ignore[import]