- made some corrections - due of recent refactoring PyCharm reported errors all over (not correct but it made programming difficult)

- modified the requirements.txt file to force svg.path module to be at least version 4.0

flatcamGUI/preferences/tools/ToolsSubPrefGroupUI.py

@@ -1,13 +1,28 @@
 from PyQt5 import QtWidgets
+from PyQt5.QtCore import QSettings
 
 from flatcamGUI.GUIElements import FCCheckBox
 from flatcamGUI.preferences.OptionsGroupUI import OptionsGroupUI
 
+import gettext
+import FlatCAMTranslation as fcTranslate
+import builtins
+
+fcTranslate.apply_language('strings')
+if '_' not in builtins.__dict__:
+    _ = gettext.gettext
+
+settings = QSettings("Open Source", "FlatCAM")
+if settings.contains("machinist"):
+    machinist_setting = settings.value('machinist', type=int)
+else:
+    machinist_setting = 0
+
 
 class ToolsSubPrefGroupUI(OptionsGroupUI):
     def __init__(self, decimals=4, parent=None):
 
-        super(ToolsSubPrefGroupUI, self).__init__(self)
+        super(ToolsSubPrefGroupUI, self).__init__(self, parent=parent)
 
         self.setTitle(str(_("Substractor Tool Options")))
         self.decimals = decimals
@@ -24,4 +39,4 @@ class ToolsSubPrefGroupUI(OptionsGroupUI):
         self.close_paths_cb.setToolTip(_("Checking this will close the paths cut by the Geometry substractor object."))
         self.layout.addWidget(self.close_paths_cb)
 
-        self.layout.addStretch()
+        self.layout.addStretch()