- 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

tclCommands/TclCommandMillDrills.py

@@ -77,7 +77,7 @@ class TclCommandMillDrills(TclCommandSignaled):
 
         try:
             obj = self.app.collection.get_by_name(str(name))
-        except Exception as e:
+        except Exception:
             obj = None
             self.raise_tcl_error("Could not retrieve object: %s" % name)