Gnuradio >= 3.7.12.0 breaks gr-fosphor

Hi, A QT API change in Gnuradio 3.17.12.0 : https://github.com/gnuradio/gnuradio/pull/1418 breaks modules that relies on QT windowing system, resulting in Template error on generated python file, resulting in this error when I try to run the generated python file: Executing: /usr/sbin/python2 -u /home/feanor/Development/SDR/top_block.py File "/home/feanor/Development/SDR/top_block.py", line 69 self.fosphor_qt_sink_c_2 = Template error: #set $win = 'self._%s_win'%$id ^ SyntaxError: invalid syntax This also affects other modules that relies on QT: gr-inspector: https://github.com/gnuradio/gr-inspector/issues/2 Following the fix in this pull request for gr-inspector: https://github.com/gnuradio/gr-inspector/pull/21/commits/9d00bb83c155c84ee8… by changing a line: 15c15 < $(gui_hint()($win))</make> --- fixes the problem for gr-fosphor and make the flowgraph runnable again