fix shotcut issue

Author: ArnoChenFx

NodeGraphQt/base/utils.py

@@ -37,9 +37,9 @@ def setup_context_menu(graph):
 
     # create "File" menu.
     file_menu.add_command('Open...', _open_session, QtGui.QKeySequence.Open)
-    file_menu.add_command('Import...', _import_session, QtGui.QKeySequence.Open)
+    file_menu.add_command('Import...', _import_session)
     file_menu.add_command('Save...', _save_session, QtGui.QKeySequence.Save)
-    file_menu.add_command('Save As...', _save_session_as, 'Ctrl+Shift+s')
+    file_menu.add_command('Save As...', _save_session_as, 'Ctrl+Shift+S')
     file_menu.add_command('New Session', _new_session)
 
     file_menu.add_separator()