Fix import issues

ViaStitching/__init__.py

@@ -1,4 +1,14 @@
 # Two way of installation of this plugin:
 #  - Copy or link this directory to KiCad plugin directory (~/.kicad_plugin/ViaStitching/)
 #  - Copy files to ~/.kicad_plugin except __init__.py...
-from FillAreaAction import *
+from __future__ import print_function
+import pprint
+import traceback
+import sys
+
+print("Starting plugin ViaStitching")
+try:
+    from .FillAreaAction import *
+except Exception as e:
+    traceback.print_exc(file=sys.stdout)
+    pprint.pprint(e)