Fix dependecies. Unidata#734 (Unidata#744)

Fix dependecies. Unidata#734

Author: kishan

setup.py

@@ -5,18 +5,11 @@
 
 from __future__ import print_function
 
-import sys
-
 from setuptools import find_packages, setup
 import versioneer
 
 ver = versioneer.get_version()
 
-# Need to conditionally add enum support for older Python
-dependencies = ['matplotlib>=1.4', 'numpy>=1.10.0', 'scipy>=0.14', 'pint>=0.8']
-if sys.version_info < (3, 4):
-    dependencies.append('enum34')
-
 setup(
     name='MetPy',
     version=ver,
@@ -56,7 +49,8 @@
                                   '_static/metpy_150x150.png', '_static/unidata_75x75.png',
                                   '_static/unidata_150x150.png']},
 
-    install_requires=dependencies,
+    install_requires=['matplotlib>=1.4', 'numpy>=1.10.0', 'scipy>=0.14',
+                      'pint>=0.8', 'enum34;python_version<"3.4"'],
     extras_require={
         'cdm': ['pyproj>=1.9.4'],
         'dev': ['ipython[all]>=3.1'],
@@ -74,4 +68,4 @@
 
     zip_safe=True,
 
-    download_url='https://github.com/Unidata/MetPy/archive/v{}.tar.gz'.format(ver),)
+    download_url='https://github.com/Unidata/MetPy/archive/v{}.tar.gz'.format(ver), )