- fixed the Tcl Command AlignDrill

- fixed the Tcl Command AlignDrillGrid
- fixed the Tcl COmmand Panelize, Excellon panelization section
- Fixed an issue in Tool Calibration export_excellon method call
- PEP8 corrections all over the app

appGUI/VisPyTesselators.py

@@ -29,9 +29,10 @@ class GLUTess:
         pass
 
     def _on_combine(self, coords, data, weight):
-        return (coords[0], coords[1], coords[2])
+        return coords[0], coords[1], coords[2]
 
-    def _on_error(self, errno):
+    @staticmethod
+    def _on_error(errno):
         print("GLUTess error:", errno)
 
     def _on_end_primitive(self):