fix for broken readthedocs

requirements.txt

@@ -4,10 +4,9 @@
 # command:
 #       pip install -r requirements.txt
 
-setuptools
 numpy >=1.8.2
-biopython >=1.64
-matplotlib >=1.3.1
 scipy >=0.16.0
+matplotlib >=1.3.1
 scikit-learn >=0.17
+biopython >=1.64
 

setup.py

@@ -2,11 +2,16 @@
 
 from distutils.command.build import build
 from distutils.util import convert_path
-from setuptools import setup
+try:
+    from setuptools import setup
+except ImportError:
+    from distutils.core import setup
 
 import os
 import sys
 
+ON_RTD = os.environ.get('READTHEDOCS') == 'True'
+
 # ==============================================================
 # Setup.py command extensions
 # ==============================================================
@@ -35,8 +40,13 @@ def run(self):
 
 def dependencies():
     with open('requirements.txt', 'r') as f_in:
-        return [l for l in f_in.read().rsplit(os.linesep) 
+        deps = [l for l in f_in.read().rsplit(os.linesep) 
                 if l and not l.startswith("#")]
+    # Fix for scikit-learn dependency nightmare referenced in
+    # scikit-learn/scikit-learn#8411 and rtfd/readthedocs.org#2760
+    if ON_RTD:
+        deps = [d for d in deps if not d.startswith('scikit-learn')]
+    return deps
 
 
 def readme():