:~$ openshot-qt
Loaded modules from installed directory: /usr/lib/python3/dist-packages/openshot_qt
      launch:INFO ------------------------------------------------
      launch:INFO    OpenShot (version 2.4.1)
      launch:INFO ------------------------------------------------
         app:INFO openshot-qt version: 2.4.1
         app:INFO libopenshot version: 0.1.9
         app:INFO platform: Linux-4.15.0-50-generic-x86_64-with-Ubuntu-18.04-bionic
         app:INFO processor: x86_64
         app:INFO machine: x86_64
         app:INFO python version: 3.6.7
         app:INFO qt5 version: 5.11.2
         app:INFO pyqt5 version: 5.11.3
    language:INFO Attempting to load qt_de_DE.UTF-8 in '/usr/local/lib/python3.6/dist-packages/PyQt5/Qt/translations'
    language:INFO Attempting to load qt_de in '/usr/local/lib/python3.6/dist-packages/PyQt5/Qt/translations'
    language:INFO Attempting to load de_DE.UTF-8/LC_MESSAGES/OpenShot in '/usr/lib/python3/dist-packages/openshot_qt/locale'
    language:INFO Attempting to load de/LC_MESSAGES/OpenShot in '/usr/lib/python3/dist-packages/openshot_qt/locale'
    language:INFO Successfully loaded de/LC_MESSAGES/OpenShot in '/usr/lib/python3/dist-packages/openshot_qt/locale'
    language:INFO Qt Detected Languages: ['de-DE', 'de-AT', 'de-CH', 'en']
    language:INFO LANG Environment Variable: de_DE.UTF-8
    language:INFO LOCALE Environment Variable: de_DE
    language:INFO Attempting to load qt_de_DE.UTF-8 in '/usr/local/lib/python3.6/dist-packages/PyQt5/Qt/translations'
    language:INFO Attempting to load qt_de in '/usr/local/lib/python3.6/dist-packages/PyQt5/Qt/translations'
    language:INFO Attempting to load qtbase_de_DE.UTF-8 in '/usr/local/lib/python3.6/dist-packages/PyQt5/Qt/translations'
    language:INFO Successfully loaded qtbase_de_DE.UTF-8 in '/usr/local/lib/python3.6/dist-packages/PyQt5/Qt/translations'
    language:INFO Attempting to load qt_de_DE.UTF-8 in '/usr/lib/python3/dist-packages/openshot_qt/locale/QT'
    language:INFO Attempting to load qt_de in '/usr/lib/python3/dist-packages/openshot_qt/locale/QT'
    language:INFO Attempting to load qtbase_de_DE.UTF-8 in '/usr/lib/python3/dist-packages/openshot_qt/locale/QT'
    language:INFO Attempting to load qtbase_de in '/usr/lib/python3/dist-packages/openshot_qt/locale/QT'
    language:INFO Attempting to load de_DE.UTF-8/LC_MESSAGES/OpenShot in '/usr/lib/python3/dist-packages/openshot_qt/locale'
    language:INFO Attempting to load de/LC_MESSAGES/OpenShot in '/usr/lib/python3/dist-packages/openshot_qt/locale'
    language:INFO Successfully loaded de/LC_MESSAGES/OpenShot in '/usr/lib/python3/dist-packages/openshot_qt/locale'
    language:INFO Exiting translation system (since we successfully loaded: de_DE.UTF-8)
project_data:INFO Setting default profile to HDV 720 24p
ZmqLogger::Connection - Error binding to tcp://*:5556. Switching to an available port.
ZmqLogger::Connection - Error binding to tcp://*:5556. Switching to an available port.
         app:INFO Setting font to /usr/lib/python3/dist-packages/openshot_qt/images/fonts/Ubuntu-R.ttf
logger_libopenshot:INFO Connecting to libopenshot with debug port: 5556
         app:INFO Setting custom dark theme
  exceptions:ERROR Unhandled Exception
Traceback (most recent call last):
  File "/usr/bin/openshot-qt", line 11, in <module>
    load_entry_point('openshot-qt==2.4.1', 'gui_scripts', 'openshot-qt')()
  File "/usr/lib/python3/dist-packages/openshot_qt/launch.py", line 70, in main
    app = OpenShotApp(sys.argv)
  File "/usr/lib/python3/dist-packages/openshot_qt/classes/app.py", line 163, in __init__
    from windows.main_window import MainWindow
  File "/usr/lib/python3/dist-packages/openshot_qt/windows/main_window.py", line 43, in <module>
    from windows.views.timeline_webview import TimelineWebView
  File "/usr/lib/python3/dist-packages/openshot_qt/windows/views/timeline_webview.py", line 40, in <module>
    from PyQt5.QtWebKitWidgets import QWebView
ModuleNotFoundError: No module named 'PyQt5.QtWebKitWidgets'