diff --git a/rhodecode/lib/_vendor/jsonlogger/__init__.py b/rhodecode/lib/_vendor/jsonlogger/__init__.py
--- a/rhodecode/lib/_vendor/jsonlogger/__init__.py
+++ b/rhodecode/lib/_vendor/jsonlogger/__init__.py
@@ -125,7 +125,7 @@ class JsonFormatter(ExceptionAwareFormat
         self.json_ensure_ascii = kwargs.pop("json_ensure_ascii", True)
         self.prefix = kwargs.pop("prefix", "")
         reserved_attrs = kwargs.pop("reserved_attrs", RESERVED_ATTRS)
-        self.reserved_attrs = dict(zip(reserved_attrs, reserved_attrs))
+        self.reserved_attrs = dict(list(zip(reserved_attrs, reserved_attrs)))
         self.timestamp = kwargs.pop("timestamp", True)
 
         # super(JsonFormatter, self).__init__(*args, **kwargs)
@@ -134,8 +134,8 @@ class JsonFormatter(ExceptionAwareFormat
             self.json_encoder = JsonEncoder
 
         self._required_fields = self.parse()
-        self._skip_fields = dict(zip(self._required_fields,
-                                     self._required_fields))
+        self._skip_fields = dict(list(zip(self._required_fields,
+                                      self._required_fields)))
         self._skip_fields.update(self.reserved_attrs)
 
     def _str_to_fn(self, fn_as_str):
diff --git a/rhodecode/lib/_vendor/redis_lock/__init__.py b/rhodecode/lib/_vendor/redis_lock/__init__.py
--- a/rhodecode/lib/_vendor/redis_lock/__init__.py
+++ b/rhodecode/lib/_vendor/redis_lock/__init__.py
@@ -23,14 +23,8 @@ loggers = {
     ]
 }
 
-PY3 = sys.version_info[0] == 3
-
-if PY3:
-    text_type = str
-    binary_type = bytes
-else:
-    text_type = unicode  # noqa
-    binary_type = str
+text_type = str
+binary_type = bytes
 
 
 # Check if the id match. If not, return an error code.
diff --git a/rhodecode/lib/_vendor/statsd/__init__.py b/rhodecode/lib/_vendor/statsd/__init__.py
--- a/rhodecode/lib/_vendor/statsd/__init__.py
+++ b/rhodecode/lib/_vendor/statsd/__init__.py
@@ -1,4 +1,4 @@
-from __future__ import absolute_import, division, unicode_literals
+
 
 import logging
 
diff --git a/rhodecode/lib/_vendor/statsd/base.py b/rhodecode/lib/_vendor/statsd/base.py
--- a/rhodecode/lib/_vendor/statsd/base.py
+++ b/rhodecode/lib/_vendor/statsd/base.py
@@ -1,4 +1,4 @@
-from __future__ import absolute_import, division, unicode_literals
+
 
 import re
 import random
diff --git a/rhodecode/lib/_vendor/statsd/stream.py b/rhodecode/lib/_vendor/statsd/stream.py
--- a/rhodecode/lib/_vendor/statsd/stream.py
+++ b/rhodecode/lib/_vendor/statsd/stream.py
@@ -1,4 +1,4 @@
-from __future__ import absolute_import, division, unicode_literals
+
 
 import socket
 
diff --git a/rhodecode/lib/_vendor/statsd/timer.py b/rhodecode/lib/_vendor/statsd/timer.py
--- a/rhodecode/lib/_vendor/statsd/timer.py
+++ b/rhodecode/lib/_vendor/statsd/timer.py
@@ -1,14 +1,7 @@
 from __future__ import absolute_import, division, unicode_literals
 
 import functools
-
-# Use timer that's not susceptible to time of day adjustments.
-try:
-    # perf_counter is only present on Py3.3+
-    from time import perf_counter as time_now
-except ImportError:
-    # fall back to using time
-    from time import time as time_now
+from time import perf_counter as time_now
 
 
 def safe_wraps(wrapper, *args, **kwargs):
diff --git a/rhodecode/lib/_vendor/statsd/udp.py b/rhodecode/lib/_vendor/statsd/udp.py
--- a/rhodecode/lib/_vendor/statsd/udp.py
+++ b/rhodecode/lib/_vendor/statsd/udp.py
@@ -1,4 +1,4 @@
-from __future__ import absolute_import, division, unicode_literals
+
 
 import socket