diff --git a/scripts/addons/fabex/post_processors/iso.py b/scripts/addons/fabex/post_processors/iso.py
index 9a8d21e1..84c6a577 100644
--- a/scripts/addons/fabex/post_processors/iso.py
+++ b/scripts/addons/fabex/post_processors/iso.py
@@ -694,13 +694,14 @@ class Creator(nc.Creator):
     #         self.s.set(s, self.SPINDLE_CW(), self.SPINDLE_CCW())
     #     else:
     #         self.s.set(s, self.SPINDLE_CCW(), self.SPINDLE_CW())
-    def spindle(self, s, clockwise): # EXPERIMENTAL -- grbl only
+    def spindle(self, s, clockwise):  # EXPERIMENTAL -- grbl only
         # Get machine settings
         machine = bpy.context.scene.cam_machine
 
-        if (machine.spindle_slow_start_enable and
-                s > machine.spindle_min + machine.spindle_slow_start_skip_threshold):
-
+        if (
+            machine.spindle_slow_start_enable
+            and s > machine.spindle_min + machine.spindle_slow_start_skip_threshold
+        ):
             # Generate slow start sequence
             steps = machine.spindle_slow_start_steps
             total_time = machine.spindle_slow_start_total_time
diff --git a/scripts/addons/fabex/ui/icons/__init__.py b/scripts/addons/fabex/ui/icons/__init__.py
index 60cda490..0410c8ad 100644
--- a/scripts/addons/fabex/ui/icons/__init__.py
+++ b/scripts/addons/fabex/ui/icons/__init__.py
@@ -27,7 +27,6 @@ def register():
 
 
 def unregister():
-
     for fabex_icons in preview_collections.values():
         bpy.utils.previews.remove(fabex_icons)
     preview_collections.clear()
diff --git a/scripts/addons/fabex/ui/panels/machine_panel.py b/scripts/addons/fabex/ui/panels/machine_panel.py
index f8050a91..33509e49 100644
--- a/scripts/addons/fabex/ui/panels/machine_panel.py
+++ b/scripts/addons/fabex/ui/panels/machine_panel.py
@@ -109,9 +109,14 @@ class CAM_MACHINE_Panel(CAMParentPanel, Panel):
                     subcol = col.column(align=True)
                     subcol.enabled = self.machine.spindle_slow_start_enable
                     subcol.prop(self.machine, "spindle_slow_start_steps", text="Steps")
-                    subcol.prop(self.machine, "spindle_slow_start_skip_threshold", text="Skip Small Increase (RPM)")
-                    subcol.prop(self.machine, "spindle_slow_start_total_time", text="Total Time (sec)")
-
+                    subcol.prop(
+                        self.machine,
+                        "spindle_slow_start_skip_threshold",
+                        text="Skip Small Increase (RPM)",
+                    )
+                    subcol.prop(
+                        self.machine, "spindle_slow_start_total_time", text="Total Time (sec)"
+                    )
 
         # Gcode Options
         if self.level >= 1:
diff --git a/scripts/addons/fabex/version.py b/scripts/addons/fabex/version.py
index 3306ee80..fa98fcdd 100644
--- a/scripts/addons/fabex/version.py
+++ b/scripts/addons/fabex/version.py
@@ -1 +1 @@
-__version__=(1,0,67)
\ No newline at end of file
+__version__ = (1, 0, 67)