Merge pull request pppalain#218 from dwrobel/Fix-name-unit_value_to_string-is-not-defined-error

Fix name 'unit_value_to_string' is not defined error

Author: pppalain

scripts/addons/cam/utilities/operation_utils.py

@@ -12,6 +12,7 @@
 from bpy_extras import object_utils
 
 from .simple_utils import get_cache_path
+from .simple_utils import unit_value_to_string
 
 from ..constants import was_hidden_dict