rtd build fix attempt

appengine_config.py

@@ -1,7 +1,10 @@
 # Load packages from virtualenv
 # https://cloud.google.com/appengine/docs/python/tools/libraries27#vendoring
-from google.appengine.ext import vendor
-vendor.add('local')
+try:
+  vendor.add('local')
+except ValueError as e:
+  import logging
+  logging.warning("Couldn't set up App Engine vendor virtualenv! %s", e)
 
 from granary.appengine_config import *
 

requirements.txt

@@ -4,7 +4,8 @@ html2text
 jinja2
 mf2py>=0.2.7
 mf2util>=0.5.0
-oauth-dropins>=1.5
+-e git+https://github.com/snarfed/oauth-dropins.git@rtd#egg=oauth_dropins
+#oauth-dropins>=1.5
 requests>=2.10.0
 requests-toolbelt>=0.6.2
 brevity>=0.2.11

setup.py

@@ -6,8 +6,6 @@
 
 Based on https://github.com/pypa/sampleproject/blob/master/setup.py
 """
-import unittest
-
 from setuptools import setup, find_packages
 from setuptools.command.test import ScanningLoader