Support Python 3.4 (#3)

* Update subprocess32

* Drop subprocess32

.travis.yml

@@ -1,8 +1,8 @@
 language: python
 python:
   - "2.7"
+  - "3.4"
   - "3.5"
   - "3.6"
 script:
-  - pip install -e .
   - python cute.py test

requirements.txt

@@ -5,3 +5,4 @@ pylint>=1.8.4,<2
 sphinx-autobuild>=0.7.1,<0.8
 Sphinx>=1.6.5,<2
 livereload>=2.5.2,<3
+-e .

setup.cfg

@@ -13,6 +13,8 @@ classifiers =
 	License :: OSI Approved :: MIT License
 	Natural Language :: Chinese (Traditional)
 	Programming Language :: Python :: 2.7
+	Programming Language :: Python :: 3.4
+	Programming Language :: Python :: 3.5
 	Programming Language :: Python :: 3.6
 	Topic :: Software Development :: Libraries :: Python Modules
 	Topic :: Software Development :: Build Tools
@@ -32,7 +34,6 @@ install_requires =
 	send2trash >= 1.3.0, < 2
 	natsort >= 5.0.2, < 6
 	pathlib2 >= 2.3.2, < 3; python_version < "3.5"
-	subprocess32 == 3.5.0rc3; python_version < "3.5"
 
 [options.entry_points]
 console_scripts =

xcute/__init__.py

@@ -12,10 +12,7 @@
     import pathlib
 import sys
 import shlex
-try:
-    import subprocess32 as subprocess
-except ImportError:
-    import subprocess
+import subprocess
 import traceback
 
 __version__ = "0.5.1"
@@ -141,7 +138,7 @@ def __call__(self, *args):
         for cmd in self.cmds:
             args = shlex.split(f(cmd)) + list(args)
             log("> Cmd: {}".format(" ".join(args)))
-            subprocess.run(subprocess.list2cmdline(args), shell=True, check=True)
+            subprocess.check_call(subprocess.list2cmdline(args), shell=True)
 
 class Bump:
     """An executor which can bump the version inside a .py file."""