File fix-scons-python-2or3.patch of Package klick

diff -ru klick-git.master.2015.05.29/SConstruct klick-git.master.2015.05.29.fix/SConstruct
--- klick-git.master.2015.05.29/SConstruct	2020-06-13 09:28:16.495628163 +0200
+++ klick-git.master.2015.05.29.fix/SConstruct	2020-06-13 09:56:15.031387957 +0200
@@ -11,13 +11,13 @@
     ENV = os.environ,
 )
 
-if os.environ.has_key('CXX'):
+if os.environ.get('CXX'):
     env.Replace(CXX = os.environ['CXX'])
-if os.environ.has_key('CXXFLAGS'):
+if os.environ.get('CXXFLAGS'):
     env.Append(CXXFLAGS = SCons.Util.CLVar(os.environ['CXXFLAGS']))
-if os.environ.has_key('CPPFLAGS'):
+if os.environ.get('CPPFLAGS'):
     env.Append(CXXFLAGS = SCons.Util.CLVar(os.environ['CPPFLAGS']))
-if os.environ.has_key('LDFLAGS'):
+if os.environ.get('LDFLAGS'):
     env.Append(LINKFLAGS = SCons.Util.CLVar(os.environ['LDFLAGS']))
 
 # build options
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