Some code refactoring

lib/techniques/error/use.py

@@ -358,9 +358,8 @@ def errorUse(expression, dump=False):
             if " ORDER BY " in expression and (stopLimit - startLimit) > SLOW_ORDER_COUNT_THRESHOLD:
                 message = "due to huge table size do you want to remove "
                 message += "ORDER BY clause gaining speed over consistency? [y/N] "
-                _ = readInput(message, default="N")
 
-                if _ and _[0] in ("y", "Y"):
+                if readInput(message, default="N", boolean=True):
                     expression = expression[:expression.index(" ORDER BY ")]
 
             numThreads = min(conf.threads, (stopLimit - startLimit))

lib/techniques/union/test.py

@@ -283,8 +283,8 @@ def _unionTestByCharBruteforce(comment, place, parameter, value, prefix, suffix)
 
             if not conf.uChar and count > 1 and kb.uChar == NULL:
                 message = "injection not exploitable with NULL values. Do you want to try with a random integer value for option '--union-char'? [Y/n] "
-                test = readInput(message, default="Y")
-                if test[0] not in ("y", "Y"):
+
+                if not readInput(message, default="Y", boolean=True):
                     warnMsg += "usage of option '--union-char' "
                     warnMsg += "(e.g. '--union-char=1') "
                 else: