I'll upload the attached diff shortly to delay/2 in order to minimize impact on the Qt 4.8 transition. If you'd prefer I delay it further because you are preparing an upload, please let me know.
Scott K
diff -Nru pythonqt-2.0.1/debian/changelog pythonqt-2.0.1/debian/changelog
--- pythonqt-2.0.1/debian/changelog 2011-03-10 10:19:44.000000000 -0500
+++ pythonqt-2.0.1/debian/changelog 2012-05-09 00:14:30.000000000 -0400
@@ -1,3 +1,14 @@
+pythonqt (2.0.1-1.1) unstable; urgency=low
+
+ * Non-maintainer upload.
+ * Fix FTBFS with Qt 4.8 (Closes: #664569)
+ - Add debian/patches/stddecorators_no_keywords.patch
+ - Extend debian/patches/cmakebuildsystem.patch to compile with
+ -DQT_NO_KEYWORDS
+ - Thanks to Felix Geyer for the patch
+
+ -- Scott Kitterman <sc...@kitterman.com> Wed, 09 May 2012 00:14:21 -0400
+
pythonqt (2.0.1-1) unstable; urgency=low
* Initial release (Closes: #616698)
diff -Nru pythonqt-2.0.1/debian/patches/cmakebuildsystem.patch pythonqt-2.0.1/debian/patches/cmakebuildsystem.patch
--- pythonqt-2.0.1/debian/patches/cmakebuildsystem.patch 2011-03-10 10:19:44.000000000 -0500
+++ pythonqt-2.0.1/debian/patches/cmakebuildsystem.patch 2012-05-09 00:14:12.000000000 -0400
@@ -2,7 +2,7 @@
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ PythonQt2.0.1/CMakeLists.txt 2011-03-06 19:23:17.000000000 +0100
-@@ -0,0 +1,259 @@
+@@ -0,0 +1,266 @@
+cmake_minimum_required(VERSION 2.8)
+
+#-----------------------------------------------------------------------------
@@ -240,6 +240,13 @@
+set_target_properties(PythonQt PROPERTIES DEFINE_SYMBOL PYTHONQT_EXPORTS)
+set_target_properties(PythonQt PROPERTIES ${PythonQt_LIBRARY_PROPERTIES})
+
++foreach(source ${gen_moc_sources})
++ string(REGEX MATCH "PythonQtStdDecorators" match ${source})
++ if(match)
++ set_property(SOURCE ${source} PROPERTY COMPILE_FLAGS -DQT_NO_KEYWORDS)
++ endif(match)
++endforeach(source {gen_moc_sources})
++
+#
+# That should solve linkage error on Mac when the project is used in a superbuild setup
+# See http://blog.onesadcookie.com/2008/01/installname-magic.html
diff -Nru pythonqt-2.0.1/debian/patches/series pythonqt-2.0.1/debian/patches/series
--- pythonqt-2.0.1/debian/patches/series 2011-03-10 10:19:44.000000000 -0500
+++ pythonqt-2.0.1/debian/patches/series 2012-05-09 00:14:12.000000000 -0400
@@ -1 +1,2 @@
cmakebuildsystem.patch
+stddecorators_no_keywords.patch
diff -Nru pythonqt-2.0.1/debian/patches/stddecorators_no_keywords.patch pythonqt-2.0.1/debian/patches/stddecorators_no_keywords.patch
--- pythonqt-2.0.1/debian/patches/stddecorators_no_keywords.patch 1969-12-31 19:00:00.000000000 -0500
+++ pythonqt-2.0.1/debian/patches/stddecorators_no_keywords.patch 2012-05-09 00:14:12.000000000 -0400
@@ -0,0 +1,24 @@
+--- pythonqt-2.0.1.orig/src/PythonQtStdDecorators.h
++++ pythonqt-2.0.1/src/PythonQtStdDecorators.h
+@@ -56,16 +56,20 @@ class PYTHONQT_EXPORT PythonQtStdDecorat
+ {
+ Q_OBJECT
+
+-public slots:
++public Q_SLOTS:
+ bool connect(QObject* sender, const QByteArray& signal, PyObject* callable);
+ bool connect(QObject* sender, const QByteArray& signal, QObject* receiver, const QByteArray& slot);
+ bool disconnect(QObject* sender, const QByteArray& signal, PyObject* callable);
+ bool disconnect(QObject* sender, const QByteArray& signal, QObject* receiver, const QByteArray& slot);
+
++#ifndef QT_NO_KEYWORDS
+ #undef emit
++#endif
+ void emit(QObject* sender, const QByteArray& signal, PyObject* arg1 = NULL,PyObject* arg2 = NULL,
+ PyObject* arg3 = NULL,PyObject* arg4 = NULL,PyObject* arg5 = NULL,PyObject* arg6 = NULL,PyObject* arg7 = NULL);
++#ifndef QT_NO_KEYWORDS
+ #define emit
++#endif
+
+ QObject* parent(QObject* o);
+ void setParent(QObject* o, QObject* parent);
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