MAINT do not import imblearn in setup (#391)

Author: glemaitre

imblearn/_version.py

@@ -1,4 +1,4 @@
-"""
+"""
 ``imbalanced-learn`` is a set of python methods to deal with imbalanced
 datset in machine learning and pattern recognition.
 """
@@ -21,4 +21,5 @@
 # Dev branch marker is: 'X.Y.dev' or 'X.Y.devN' where N is an integer.
 # 'X.Y.dev0' is the canonical version of 'X.Y.dev'
 #
+
 __version__ = '0.4.0.dev0'

setup.py

@@ -3,11 +3,13 @@
 
 import codecs
 import os
-import sys
 
 from setuptools import find_packages, setup
-from imblearn import __version__
 
+# get __version__ from _version.py
+ver_file = os.path.join('imblearn', '_version.py')
+with open(ver_file) as f:
+    exec(f.read())
 
 DISTNAME = 'imbalanced-learn'
 DESCRIPTION = 'Toolbox for imbalanced dataset in machine learning.'