upgraded django, and django-haystack to 1.11 lts, and swapped MySQL-python for mysqlclient

requirements.txt

 DateTime==4.0.1
-Django==1.10.5
-MySQL-python==1.2.5
+Django==1.11.28
 Pillow==2.9.0
 Whoosh==2.6.0
 argparse==1.2.1
@@ -10,7 +9,7 @@ django-braces==1.9.0
 django-cas-client==1.2.0
 django-crispy-forms==1.6.1
 django-gravatar2==1.4.0
-django-haystack==2.5.1
+django-haystack==2.7.0
 django-model-utils==2.6
 django-piwik==0.1
 django-randomslugfield==0.3.0
@@ -23,6 +22,7 @@ docutils==0.12
 flake8==3.0.4
 gunicorn==19.6.0
 mccabe==0.5.2
+mysqlclient==1.3.14
 pep8==1.6.2
 pyflakes==1.0.0
 pyisbn==1.0.1