Update tdr-test.py

print() python3 compatibility

Author: gregbo

tdr-test/tdr-test.py

@@ -89,11 +89,11 @@ def grab_intf(i):
 
 for i in intfs:
  title = "Interfaces: " + i 
- print title 
+ print(title) 
  target.write(title)
- print intfs[i]
+ print(intfs[i])
  target.write(intfs[i])
- print "\n\n"
+ print("\n\n")
  target.write("\n\n")
 
-target.close()
+target.close()