Merge pull request #75 from FlyrInc/feature/support-py3.7

feat: add support for Python 3.7

Author: madzak

.travis.yml

@@ -1,9 +1,10 @@
-sudo: false
 language: python
+dist: xenial
 python:
   - "2.7"
   - "3.4"
   - "3.5"
   - "3.6"
+  - "3.7"
 install: pip install tox-travis
 script: tox

setup.py

@@ -3,7 +3,7 @@
 
 setup(
     name="python-json-logger",
-    version="0.1.10",
+    version="0.1.11",
     url="http://github.com/madzak/python-json-logger",
     license="BSD",
     description="A python library adding a json log formatter",
@@ -26,6 +26,7 @@
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Topic :: System :: Logging',
     ]
 )

src/pythonjsonlogger/jsonlogger.py

@@ -11,11 +11,7 @@
 
 from inspect import istraceback
 
-# Support order in python 2.7 and 3
-try:
-    from collections import OrderedDict
-except ImportError:
-    pass
+from collections import OrderedDict
 
 # skip natural LogRecord attributes
 # http://docs.python.org/library/logging.html#logrecord-attributes

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py34, py35, py36
+envlist = py27, py34, py35, py36, py37
 
 [testenv]
 commands = python -m unittest discover