diff -Nurp PyQt-x11-gpl-4.5.orig/pyuic/uic/port_v3/invoke.py PyQt-x11-gpl-4.5/pyuic/uic/port_v3/invoke.py
--- PyQt-x11-gpl-4.5.orig/pyuic/uic/port_v3/invoke.py	2009-06-15 12:14:22.853997598 +0200
+++ PyQt-x11-gpl-4.5/pyuic/uic/port_v3/invoke.py	2009-06-15 12:14:38.671746852 +0200
@@ -11,16 +11,16 @@ def invoke(driver):
     try:
         exit_status = driver.invoke()
 
-    except IOError as e:
+    except IOError, e:
         driver.on_IOError(e)
 
-    except SyntaxError as e:
+    except SyntaxError, e:
         driver.on_SyntaxError(e)
 
-    except NoSuchWidgetError as e:
+    except NoSuchWidgetError, e:
         driver.on_NoSuchWidgetError(e)
 
-    except Exception as e:
+    except Exception, e:
         driver.on_Exception(e)
 
     return exit_status
diff -Nurp PyQt-x11-gpl-4.5.orig/pyuic/uic/port_v3/load_plugin.py PyQt-x11-gpl-4.5/pyuic/uic/port_v3/load_plugin.py
--- PyQt-x11-gpl-4.5.orig/pyuic/uic/port_v3/load_plugin.py	2009-06-15 12:14:22.860042936 +0200
+++ PyQt-x11-gpl-4.5/pyuic/uic/port_v3/load_plugin.py	2009-06-15 12:14:38.694838102 +0200
@@ -11,7 +11,7 @@ def load_plugin(plugin, plugin_globals, 
         exec(plugin.read(), plugin_globals, plugin_locals)
     except ImportError:
         return False
-    except Exception as e:
+    except Exception, e:
         raise WidgetPluginError("%s: %s" % (e.__class__, str(e)))
 
     return True
diff -Nurp PyQt-x11-gpl-4.5.orig/pyuic/uic/port_v3/proxy_base.py PyQt-x11-gpl-4.5/pyuic/uic/port_v3/proxy_base.py
--- PyQt-x11-gpl-4.5.orig/pyuic/uic/port_v3/proxy_base.py	2009-06-05 10:50:39.000000000 +0200
+++ PyQt-x11-gpl-4.5/pyuic/uic/port_v3/proxy_base.py	2009-06-15 12:20:26.991868939 +0200
@@ -1,5 +1,5 @@
 from PyQt4.uic.Compiler.proxy_type import ProxyType
 
 
-class ProxyBase(metaclass=ProxyType):
-    pass
+class ProxyBase():
+    __metaclass__ = ProxyType