Hi,
I have been using Pyinstaller to package an application which uses twisted 
as well as Qt. Upto version 2.0.0 the installer has been getting generated 
fine, but recently I updated the pyinstaller with the latest on github - 
2.1.0 and now the application doesn't start. I noticed that it fails at the 
point where qt4reactor.install is called. I tried it on a small snippet of 
code - 
 
test.py 
 
from twisted.internet import protocol
from PyQt4.QtGui import QApplication
import qt4reactor
app = QApplication([])
qt4reactor.install()
print "Qt4 reactor installed"
and used the following command to generate the installer - 
pyinstaller pyinstaller.py --onedir test.py 
 
With version 2.0.0 the executable works fine, but with the new pyinstaller 
(2.1.0), I see this error - 
 
build\pyinstaller\test>.\dist\test\test.exe
win32install 1
win32install 2
Traceback (most recent call last):
  File "<string>", line 5, in <module>
  File 
"C:\Users\user_3\blib-rel\blib\build\pyinstaller\test\build\test\out00-PY
Z.pyz\qt4reactor", line 349, in win32install
  File 
"C:\Users\user_3\blib-rel\blib\build\pyinstaller\test\build\test\out00-PY
Z.pyz\twisted.internet.main", line 32, in installReactor
twisted.internet.error.ReactorAlreadyInstalledError: reactor already 
installed
^C
C:\Users\user_3\blib-rel\blib\build\pyinstaller\test>python 
..\pyinstaller.py --
onedir test.py
 
Is this a known issue ?  Is there a work around for this ? 
 
I need to use version 2.1.0 because of a PIL rthook related fix which went  
in, in that version (http://www.pyinstaller.org/ticket/651)
 
Thanks,
Abhishek.
 

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