fixed dependency problem, on python 3.4.0 pathlib is included in the python distribution so it must not be included in the requirements for thefuck otherwise it wont run at startup

setup.py

@@ -1,8 +1,13 @@
 from setuptools import setup, find_packages
+import sys
 
 
 VERSION = '1.46'
 
+deps = ['psutil', 'colorama', 'six']
+
+if sys.version_info < (3,4):
+    deps.append('pathlib')
 
 setup(name='thefuck',
       version=VERSION,
@@ -15,7 +20,7 @@ setup(name='thefuck',
                                       'tests', 'release']),
       include_package_data=True,
       zip_safe=False,
-      install_requires=['pathlib', 'psutil', 'colorama', 'six'],
+      install_requires=deps,
       entry_points={'console_scripts': [
           'thefuck = thefuck.main:main',
           'thefuck-alias = thefuck.shells:app_alias']})