[PATCH 4/6] tools: perf: task-analyzer: drop support for Python 2

[Mauro Carvalho Chehab]

As stated at process/changes.rsy doc, the current minimal Python
version is 3.x, so drop support for EOL python 2.x.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
 tools/perf/scripts/python/task-analyzer.py | 23 +++++-----------------
 1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/tools/perf/scripts/python/task-analyzer.py b/tools/perf/scripts/python/task-analyzer.py
index 3f1df9894246..9dc18875630c 100755
--- a/tools/perf/scripts/python/task-analyzer.py
+++ b/tools/perf/scripts/python/task-analyzer.py
@@ -50,25 +50,12 @@ LEN_IN_IN = len("99999999999.999")  # 15
 LEN_IN_OUT = len("99999999999.999")  # 15
 
 
-# py2/py3 compatibility layer, see PEP469
-try:
-    dict.iteritems
-except AttributeError:
-    # py3
-    def itervalues(d):
-        return iter(d.values())
-
-    def iteritems(d):
-        return iter(d.items())
-
-else:
-    # py2
-    def itervalues(d):
-        return d.itervalues()
-
-    def iteritems(d):
-        return d.iteritems()
+# py3
+def itervalues(d):
+    return iter(d.values())
 
+def iteritems(d):
+    return iter(d.items())
 
 def _check_color():
     global _COLORS
-- 
2.48.1