title: ImportError: No module named ui_imagedialog
body: <p>I  am new to pyQt4. First I installed pyqt4 then installed QTDesigner. And tried to run the given program( From internet). The file is named as main.py  </p>
  
  <pre><code>import sys
  from PyQt4.QtGui import QApplication, QDialog
  from ui_imagedialog import Ui_ImageDialog
  app = QApplication(sys.argv)
  window = QDialog()
  ui = Ui_ImageDialog()
  ui.setupUi(window)
  window.show()
  sys.exit(app.exec_())  
  </code></pre>
  
  <p>run the program using terminal      </p>
  
  <pre><code>python main.py
  </code></pre>
  
  <p>I got the following error  </p>
  
  <pre><code>from ui_imagedialog import Ui_ImageDialog
  ImportError: No module named ui_imagedialog
  </code></pre>
  
  <p>How to solve this??</p>