diff --git a/INSTALL.md b/INSTALL.md
index fdb0ae10f6ff649b5e344c3aae43a12bf6e351b8..3d604e70d171feb9f551539829d8c2b2b7eee349 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -7,10 +7,12 @@ http://www.virtualenv.org/en/latest/
 
 * cd into the helios-server directory
 
-* create a virtualenv:
+* create a virtualenv
+* make sure you use Python2.7 and **not** Python3+
+* The above can be done by typing something similar to
 
 ```
-virtualenv venv
+virtualenv --python=/usr/bin/python2.7 $(pwd)/venv
 ```
 
 * activate virtual environment
@@ -45,6 +47,6 @@ python manage.py runserver
 
 ** set up oauth2 credentials as a web application, with your origin, e.g. https://myhelios.example.com, and your auth callback, which, based on our example, is https://myhelios.example.com/auth/after/
 
-** still in the developer console, enable the Google+ API.
+** still in the developer console, enable the Google+ API and Google People API.
 
-** set the GOOGLE_CLIENT_ID and GOOGLE_CLIENT_SECRET configuration variables accordingly.
\ No newline at end of file
+** set the GOOGLE_CLIENT_ID and GOOGLE_CLIENT_SECRET configuration variables accordingly.
diff --git a/Procfile b/Procfile
index 608417dd038c618cda97dbc7f89e527ccea20dde..428068263e8ce8fe1a8317ec153d6255bf03c4b3 100644
--- a/Procfile
+++ b/Procfile
@@ -1,2 +1,2 @@
 web: gunicorn wsgi:application -b 0.0.0.0:$PORT -w 8
-worker: celery worker --app helios --events --beat --concurrency 1 --logfile celeryw.log --pidfile celeryw.pid
\ No newline at end of file
+worker: celery worker --app helios --events --beat --concurrency 1
\ No newline at end of file
diff --git a/helios/crypto/electionalgs.py b/helios/crypto/electionalgs.py
index 43e3357f3c64a151aad2258ed9368c554eb0a9c5..de833f8dad05dee916c2a0a2e82e9242e1beb146 100644
--- a/helios/crypto/electionalgs.py
+++ b/helios/crypto/electionalgs.py
@@ -413,7 +413,7 @@ def one_question_winner(question, result, num_cast_votes):
     if question['result_type'] == 'relative':
         return [counts[0][0]]
 
-
+    
 class Election(HeliosObject):
     FIELDS = ['uuid', 'questions', 'name', 'short_name', 'description', 'voters_hash', 'openreg',
               'frozen_at', 'public_key', 'private_key', 'cast_url', 'result', 'result_proof', 'use_voter_aliases',
diff --git a/helios/models.py b/helios/models.py
index 128105db2e2b0a6b5eb05fa12d876ad7d462d546..83344076f7d11068c3d85eec34b5c79613f6154c 100644
--- a/helios/models.py
+++ b/helios/models.py
@@ -516,7 +516,7 @@ class Election(HeliosModel):
     self.set_eligibility()
     
     # public key for trustees
-    trustees = Trustee.get_by_election(self)
+    trustees = list(Trustee.get_by_election(self))
     combined_pk = trustees[0].public_key
     for t in trustees[1:]:
       combined_pk = combined_pk * t.public_key
diff --git a/helios/views.py b/helios/views.py
index babd1790042276e19601cbe804a6c21b351cd222..b642619251bad0a02186ea37e3b61f4d9a7c73f3 100644
--- a/helios/views.py
+++ b/helios/views.py
@@ -1383,8 +1383,7 @@ def voters_email(request, election):
         'custom_subject' : email_form.cleaned_data['subject'],
         'custom_message' : email_form.cleaned_data['body'],
         'election_vote_url' : election_vote_url,
-        'election_url' : election_url,
-        'election' : election
+        'election_url' : election_url
         }
         
       voter_constraints_include = None
diff --git a/settings.py b/settings.py
index f47b898c5dc681d97bc853c0977e11c7b3739902..f4dddc3bd18e1466f77c5ccb6b1eddaace743d6b 100644
--- a/settings.py
+++ b/settings.py
@@ -46,7 +46,6 @@ DATABASES = {
 # override if we have an env variable
 if get_from_env('DATABASE_URL', None):
     import dj_database_url
-
     DATABASES['default'] = dj_database_url.config(conn_max_age=600, ssl_require=True)
     DATABASES['default']['ENGINE'] = 'django.db.backends.postgresql_psycopg2'