import sys from PyQt4 import QtGui from PyQt4 import QtCore from FlatCAMApp import App def debug_trace(): '''Set a tracepoint in the Python debugger that works with Qt''' from PyQt4.QtCore import pyqtRemoveInputHook #from pdb import set_trace pyqtRemoveInputHook() #set_trace() debug_trace() # all X11 calling should be thread safe otherwise we have strange issues QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_X11InitThreads) app = QtGui.QApplication(sys.argv) fc = App() sys.exit(app.exec_())