Fix flake8 issues

Author: ChillarAnand

junction/profiles/admin.py

@@ -276,7 +276,7 @@ class Meta:
         verbose_name = 'ProposalSectionReviewerVote'
 
 
-#FIXME: Need to move private, reviewer, vote to type
+# FIXME: Need to move private, reviewer, vote to type
 @python_2_unicode_compatible
 class ProposalComment(TimeAuditModel):
 

junction/proposals/models.py

@@ -10,12 +10,10 @@
     ProposalUserVoteRole
 from junction.conferences.models import Conference
 
-from . import permissions
-from . import utils
+from . import permissions, utils
 from .forms import ProposalReviewerVoteForm
 from .models import PSRVotePhase, Proposal, ProposalComment, \
-    ProposalCommentVote, ProposalSectionReviewer, ProposalSectionReviewerVote, \
-    ProposalSectionReviewerVoteValue, ProposalVote
+    ProposalCommentVote, ProposalVote
 
 
 @login_required