Replace backticks with repr() or "%r"
From SF patch #852334.
diff --git a/Tools/freeze/winmakemakefile.py b/Tools/freeze/winmakemakefile.py
index 763e820..8570f3d 100644
--- a/Tools/freeze/winmakemakefile.py
+++ b/Tools/freeze/winmakemakefile.py
@@ -51,7 +51,7 @@
sys.stdout = save
def realwork(vars, moddefns, target):
- version_suffix = `sys.version_info[0]`+`sys.version_info[1]`
+ version_suffix = "%r%r" % sys.version_info[:2]
print "# Makefile for Microsoft Visual C++ generated by freeze.py script"
print
print 'target = %s' % target