Patch from upstream bug https://bugs.freedesktop.org/show_bug.cgi?id=76759

to fix build with Python 3.5

--- pycairo-1.10.0/.waf3-1.6.4-e3c1e08604b18a10567cfcd2d02eb6e6/waflib/Build.py.orig 2011-03-29 10:52:54.000000000 -0400

+++ pycairo-1.10.0/.waf3-1.6.4-e3c1e08604b18a10567cfcd2d02eb6e6/waflib/Build.py

@@ -162,6 +162,8 @@

try:

f=open(db+'.tmp','wb')

cPickle.dump(data,f)

+ except AttributeError as err:

+ print(format(err))

finally:

if f:

f.close()