fix: fix pre-commit

pymmcore-plus · Nov 4, 2024 · 9b1c6f9 · 9b1c6f9
1 parent f26f431
commit 9b1c6f9
Showing 1 changed file with 10 additions and 10 deletions.
diff --git a/src/pymmcore_widgets/mda/_core_positions.py b/src/pymmcore_widgets/mda/_core_positions.py
@@ -390,16 +390,16 @@ def _on_selection_change(self) -> None:
             # if 'af_per_position' is not checked and the autofocus was not locked
             # before moving, we do not use autofocus.
             if table_af_offset is not None or af_offset is not None:
-                self._mmc.setAutoFocusOffset(
-                    table_af_offset if table_af_offset is not None else af_offset
-                )
-                try:
-                    self._mmc.enableContinuousFocus(False)
-                    self._perform_autofocus()
-                    self._mmc.enableContinuousFocus(af_engaged)
-                    self._mmc.waitForSystem()
-                except RuntimeError as e:
-                    logger.warning("Hardware autofocus failed. %s", e)
+                _af = table_af_offset if table_af_offset is not None else af_offset
+                if _af is not None:
+                    self._mmc.setAutoFocusOffset(_af)
+                    try:
+                        self._mmc.enableContinuousFocus(False)
+                        self._perform_autofocus()
+                        self._mmc.enableContinuousFocus(af_engaged)
+                        self._mmc.waitForSystem()
+                    except RuntimeError as e:
+                        logger.warning("Hardware autofocus failed. %s", e)
 
             self._mmc.waitForSystem()