Merge pull request #657 from pythonindia/security-update-requests

Update requests to 2.20.0

Author: pradyunsg

requirements.txt

@@ -29,7 +29,7 @@ Pillow==5.4.1
 django-allauth==0.32.0
 oauthlib==1.1.2
 python-openid==2.2.5
-requests==2.7.0
+requests==2.20.0
 requests-oauthlib==0.5.0
 mock==2.0.0 # Django all auth needs