from PyQt4.QtCore import * 
from PyQt4.QtGui import * 
import sys
#import gtk
import evolution

app = QApplication(sys.argv)

win = QMainWindow()

win.show()

path = QFileDialog.getOpenFileName(None,"Open Image", "/home/user/", "Image Files (*.png *.jpg *.bmp)");

sys.exit(app.exec_())