diff --git a/igniter/__init__.py b/igniter/__init__.py
index 6f9757cfc8..08c89d7640 100644
--- a/igniter/__init__.py
+++ b/igniter/__init__.py
@@ -1,15 +1,11 @@
 # -*- coding: utf-8 -*-
 """Open install dialog."""
 
+import os
 import sys
 
-import os
 os.chdir(os.path.dirname(__file__))  # for override sys.path in Deadline
 
-from Qt import QtWidgets  # noqa
-from Qt.QtCore import Signal  # noqa
-
-from .install_dialog import InstallDialog
 from .bootstrap_repos import BootstrapRepos
 from .version import __version__ as version
 
@@ -25,11 +21,17 @@ def get_result(res: int):
 
 def open_dialog():
     """Show Igniter dialog."""
+    from Qt import QtWidgets
+    from .install_dialog import InstallDialog
+
     app = QtWidgets.QApplication(sys.argv)
+
     d = InstallDialog()
     d.finished.connect(get_result)
     d.open()
+
     app.exec()
+
     return RESULT