diff --git a/python/pyphantomjs/utils.py b/python/pyphantomjs/utils.py
index b35a1546..792a6e30 100644
--- a/python/pyphantomjs/utils.py
+++ b/python/pyphantomjs/utils.py
@@ -133,7 +133,7 @@ class QPyFile(QFile):
     def __enter__(self):
         return self
 
-    def __exit__(self, _, _, _):
+    def __exit__(self, exc_type, exc_value, traceback):
         self.close()
 
     def __init__(self, filename, mode='r'):
diff --git a/python/pyphantomjs/webpage.py b/python/pyphantomjs/webpage.py
index a751a666..c832d33e 100644
--- a/python/pyphantomjs/webpage.py
+++ b/python/pyphantomjs/webpage.py
@@ -87,20 +87,20 @@ class CustomPage(QWebPage):
 
         do_action('CustomPageInit')
 
-    def chooseFile(self, _, _):
+    def chooseFile(self, originatingFrame, oldFile):
         return self.m_uploadFile
 
     def shouldInterruptJavaScript(self):
         QApplication.processEvents(QEventLoop.AllEvents, 42)
         return False
 
-    def javaScriptAlert(self, _, msg):
+    def javaScriptAlert(self, originatingFrame, msg):
         self.parent().javaScriptAlertSent.emit(msg)
 
     def javaScriptConsoleMessage(self, message, lineNumber, sourceID):
         self.parent().javaScriptConsoleMessageSent.emit(message, lineNumber, sourceID)
 
-    def userAgentForUrl(self, _):
+    def userAgentForUrl(self, url):
         return self.m_userAgent
 
     do_action('CustomPage')