1 files changed, 4 insertions, 5 deletions
diff --git a/compilerplugins/clang/unusedvarsglobal.py b/compilerplugins/clang/unusedvarsglobal.py
index db46b9fee1ca..ccb7305ccc23 100755
--- a/compilerplugins/clang/unusedvarsglobal.py
+++ b/compilerplugins/clang/unusedvarsglobal.py
@@ -1,6 +1,5 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 
-import sys
 import re
 import io
 
@@ -12,7 +11,7 @@ defToTypeMap = dict()
 def parseFieldInfo( tokens ):
     return (tokens[1].strip(), tokens[2].strip())
 
-with io.open("workdir/loplugin.unusedvarsglobal.log", "rb", buffering=1024*1024) as txt:
+with io.open("workdir/loplugin.unusedvarsglobal.log", "r", buffering=16*1024*1024) as txt:
     for line in txt:
         try:
             tokens = line.strip().split("\t")
@@ -46,7 +45,7 @@ with io.open("workdir/loplugin.unusedvarsglobal.log", "rb", buffering=1024*1024)
             else:
                 print( "unknown line: " + line)
         except IndexError:
-            print "problem with line " + line.strip()
+            print("problem with line " + line.strip())
             raise
 
 definitionSet2 = set()
@@ -127,7 +126,7 @@ def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
 # sort by both the source-line and the datatype, so the output file ordering is stable
 # when we have multiple items on the same source line
 def v_sort_key(v):
-    return natural_sort_key(v[0]) + [v1]]
+    return natural_sort_key(v[0]) + [v[1]]
 
 # sort results by name and line number
 tmp1list = sorted(untouchedSet, key=lambda v: v_sort_key(v))