removed "app" argument from QWebPage init. Cause does not work with t…

…hreads (parent and child should be in one thread).

ghost/ghost.py

@@ -133,7 +133,8 @@ class QTMessageProxy(object):
     def __init__(self, logger):
         self.logger = logger
 
-    def __call__(self, msgType, msg):
+    def __call__(self, *args):
+        msgType, msg = args[0], args[-1]
         levels = {
             QtDebugMsg: 'debug',
             QtWarningMsg: 'warn',
@@ -150,7 +151,8 @@ class GhostWebPage(QWebPage):
     """
     def __init__(self, app, ghost):
         self.ghost = ghost
-        super(GhostWebPage, self).__init__(app)
+        # super(GhostWebPage, self).__init__(app)
+        super(GhostWebPage, self).__init__()
 
     def chooseFile(self, frame, suggested_file=None):
         filename = Ghost._upload_file
@@ -343,7 +345,7 @@ def __init__(
         network_access_manager_class=NetworkAccessManager,
     ):
         if not binding:
-            raise Exception("Ghost.py requires PySide or PyQt4")
+            raise Exception("Ghost.py requires PySide, PyQt4 or PyQt5")
 
         self.id = str(uuid.uuid4())