diff --git a/setup.cfg b/setup.cfg
index adb234ef3..86612b955 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,9 +1,12 @@
 [flake8]
 ; Rules we don’t really need:
+;   E226: missing whitespace around binary operator
 ;   E501: line too long
+;   W503: line break before binary operator
+;   W504: line break after binary operator
 ; SQLAlchemy:
 ;   E711: comparison to None should be ‘if cond is None:’
-ignore = E501,E711
+ignore = E226,E501,E711,W503,W504
 
 exclude =
     .git,
@@ -13,7 +16,7 @@ exclude =
     static,
     weasyl-apidocs,
     weasyl-env,
-    templates/*
+    templates/*,
 
 [tool:pytest]
 addopts = -ra
diff --git a/templates/modcontrol/suspenduser.html b/templates/modcontrol/suspenduser.html
index 1b32ac0fa..b289da3da 100644
--- a/templates/modcontrol/suspenduser.html
+++ b/templates/modcontrol/suspenduser.html
@@ -1,4 +1,4 @@
-$def with (templates, json_templates)
+$def with (templates)
 $:{RENDER("common/stage_title.html", ["User Suspensions", "Moderator Control Panel", "/modcontrol"])}
 
 <div class="content clear" style="padding-top: 2em;">
@@ -70,7 +70,7 @@ <h4>Release User</h4>
       </div>
 
       <script>
-        var banTemplates = $:{json_templates};
+        var banTemplates = $:{INLINE_JSON(templates)};
         var templateId = document.getElementById("template_id");
         var suspendAction = document.getElementById("suspendaction");
         var suspendDuration = document.getElementById("duration");
diff --git a/weasyl/controllers/detail.py b/weasyl/controllers/detail.py
index 85bbf7412..fa3972bd4 100644
--- a/weasyl/controllers/detail.py
+++ b/weasyl/controllers/detail.py
@@ -65,9 +65,6 @@ def submission_(request):
     extras["canonical_url"] = canonical_path
     extras["title"] = item["title"]
 
-    submission_files = item["sub_media"].get("submission")
-    submission_file = submission_files[0] if submission_files else None
-
     page = define.common_page_start(request.userid, **extras)
     page.append(define.render('detail/submission.html', [
         # Myself
diff --git a/weasyl/controllers/moderation.py b/weasyl/controllers/moderation.py
index 307b640ed..a845e038b 100644
--- a/weasyl/controllers/moderation.py
+++ b/weasyl/controllers/moderation.py
@@ -2,7 +2,6 @@
 
 from __future__ import absolute_import
 
-import anyjson as json
 import arrow
 
 from pyramid.httpexceptions import HTTPSeeOther
@@ -22,7 +21,7 @@ def modcontrol_(request):
 @moderator_only
 def modcontrol_suspenduser_get_(request):
     return Response(define.webpage(request.userid, "modcontrol/suspenduser.html",
-                                   [moderation.BAN_TEMPLATES, json.dumps(moderation.BAN_TEMPLATES)], title="User Suspensions"))
+                                   (moderation.BAN_TEMPLATES,), title="User Suspensions"))
 
 
 @moderator_only
diff --git a/weasyl/controllers/two_factor_auth.py b/weasyl/controllers/two_factor_auth.py
index 353a7832e..7aa0ff7bb 100644
--- a/weasyl/controllers/two_factor_auth.py
+++ b/weasyl/controllers/two_factor_auth.py
@@ -165,7 +165,6 @@ def tfa_init_verify_post_(request):
     # Extract parameters from the form
     verify_checkbox = 'verify' in request.params
     tfasecret = _get_totp_code_from_session()
-    tfaresponse = request.params['tfaresponse']
     tfarecoverycodes = _get_recovery_codes_from_session()
 
     # Does the user want to proceed with enabling 2FA?
diff --git a/weasyl/controllers/user.py b/weasyl/controllers/user.py
index 81a07dce0..ab8a71443 100644
--- a/weasyl/controllers/user.py
+++ b/weasyl/controllers/user.py
@@ -239,7 +239,7 @@ def signup_post_(request):
         username="", password="", passcheck="", email="", emailcheck="",
         day="", month="", year="")
 
-    if 'g-recaptcha-response' not in form or not define.captcha_verify(form['g-recaptcha-response']):
+    if not define.captcha_verify(form.get('g-recaptcha-response')):
         return Response(define.errorpage(
             request.userid,
             "There was an error validating the CAPTCHA response; you should go back and try again."))
diff --git a/weasyl/define.py b/weasyl/define.py
index 4baaa9782..36956c526 100644
--- a/weasyl/define.py
+++ b/weasyl/define.py
@@ -262,17 +262,12 @@ def titlebar(title, backtext=None, backlink=None):
     return render("common/stage_title.html", [title, backtext, backlink])
 
 
-def errorpage(userid, code=None, links=None,
-              unexpected=None, request_id=None, **extras):
+def errorpage(userid, code=None, links=None, request_id=None, **extras):
     if links is None:
         links = []
 
     if code is None:
         code = errorcode.unexpected
-
-        if unexpected:
-            code = "".join([code, " The error code associated with this condition "
-                                  "is '", unexpected, "'."])
     code = text.markdown(code)
 
     return webpage(userid, "error/error.html", [code, links, request_id], **extras)
@@ -671,13 +666,12 @@ def _convert_time(target=None):
         return dt.strftime("%H:%M:%S %Z")
 
 
-def convert_unixdate(day, month, year, escape=True):
+def convert_unixdate(day, month, year):
     """
     Returns the unixtime corresponding to the beginning of the specified date; if
     the date is not valid, None is returned.
     """
-    if escape:
-        day, month, year = (get_int(i) for i in [day, month, year])
+    day, month, year = (get_int(i) for i in [day, month, year])
 
     try:
         ret = int(time.mktime(datetime.date(year, month, day).timetuple()))
diff --git a/weasyl/profile.py b/weasyl/profile.py
index 2124e8e61..72b8b6d40 100644
--- a/weasyl/profile.py
+++ b/weasyl/profile.py
@@ -435,16 +435,11 @@ def edit_profile(userid, profile,
 def edit_streaming_settings(my_userid, userid, profile, set_stream=None, stream_length=0):
 
     if set_stream == 'start':
-        try:
-            stream_length = int(stream_length)
-        except:
-            raise WeasylError("streamDurationOutOfRange")
-
         if stream_length < 1 or stream_length > 360:
             raise WeasylError("streamDurationOutOfRange")
 
-    if set_stream == 'start' and not profile.stream_url:
-        raise WeasylError("streamLocationNotSet")
+        if not profile.stream_url:
+            raise WeasylError("streamLocationNotSet")
 
     # unless we're specifically still streaming, clear the user_streams record
     if set_stream != 'still':
@@ -499,7 +494,6 @@ def edit_userinfo(userid, form):
             'link_type': site_name,
             'link_value': site_value,
         }
-        row['userid'] = userid
         social_rows.append(row)
 
     d.engine.execute("""
diff --git a/weasyl/search.py b/weasyl/search.py
index 40883fb46..197e299ea 100644
--- a/weasyl/search.py
+++ b/weasyl/search.py
@@ -409,16 +409,9 @@ def browse(userid, rating, limit, form, find=None):
         form.find = find
 
     if form.find == "char":
-        query = character.select_list(userid, rating, limit, backid=backid, nextid=nextid)
+        return character.select_list(userid, rating, limit, backid=backid, nextid=nextid)
     elif form.find == "journal":
-        query = journal.select_user_list(userid, rating, limit, backid=backid, nextid=nextid)
+        return journal.select_user_list(userid, rating, limit, backid=backid, nextid=nextid)
     else:
-        query = submission.select_list(userid, rating, limit, backid=backid, nextid=nextid,
-                                       subcat=d.get_int(form.cat) if d.get_int(form.cat) in [1000, 2000, 3000] else None)
-
-    if query and not backid:
-        backid = query[0][form.find + "id"]
-    if query and not nextid:
-        nextid = query[-1][form.find + "id"]
-
-    return query
+        return submission.select_list(userid, rating, limit, backid=backid, nextid=nextid,
+                                      subcat=d.get_int(form.cat) if d.get_int(form.cat) in [1000, 2000, 3000] else None)
diff --git a/weasyl/submission.py b/weasyl/submission.py
index 489f430a1..fab7fba31 100644
--- a/weasyl/submission.py
+++ b/weasyl/submission.py
@@ -36,7 +36,7 @@
 from weasyl import searchtag
 from weasyl import twits
 from weasyl import welcome
-from weasyl.error import PostgresError, WeasylError
+from weasyl.error import WeasylError
 
 
 _MEGABYTE = 1048576
@@ -163,10 +163,8 @@ def create_visual(userid, submission,
     submitsize = len(submitfile)
 
     if not submitsize:
-        files.clear_temporary(userid)
         raise WeasylError("submitSizeZero")
     elif thumbsize > 10 * _MEGABYTE:
-        files.clear_temporary(userid)
         raise WeasylError("thumbSizeExceedsLimit")
 
     im = image.from_string(submitfile)
@@ -325,28 +323,24 @@ def create_literary(userid, submission, embedlink=None, friends_only=False, tags
     # TODO(kailys): use ORM object
     db = d.connect()
     now = arrow.get()
-    try:
-        q = (
-            d.meta.tables['submission'].insert().values([{
-                "folderid": submission.folderid,
-                "userid": userid,
-                "unixtime": now,
-                "title": submission.title,
-                "content": submission.content,
-                "subtype": submission.subtype,
-                "rating": submission.rating.code,
-                "settings": settings,
-                "sorttime": now,
-            }])
-            .returning(d.meta.tables['submission'].c.submitid))
-        submitid = db.scalar(q)
-        if embedlink:
-            q = (d.meta.tables['google_doc_embeds'].insert()
-                 .values(submitid=submitid, embed_url=embedlink))
-            db.execute(q)
-    except:
-        files.clear_temporary(userid)
-        raise
+    q = (
+        d.meta.tables['submission'].insert().values([{
+            "folderid": submission.folderid,
+            "userid": userid,
+            "unixtime": now,
+            "title": submission.title,
+            "content": submission.content,
+            "subtype": submission.subtype,
+            "rating": submission.rating.code,
+            "settings": settings,
+            "sorttime": now,
+        }])
+        .returning(d.meta.tables['submission'].c.submitid))
+    submitid = db.scalar(q)
+    if embedlink:
+        q = (d.meta.tables['google_doc_embeds'].insert()
+             .values(submitid=submitid, embed_url=embedlink))
+        db.execute(q)
 
     # Assign search tags
     searchtag.associate(userid, tags, submitid=submitid)
@@ -363,9 +357,6 @@ def create_literary(userid, submission, embedlink=None, friends_only=False, tags
         _create_notifications(userid, submitid, submission.rating, settings,
                               submission.title, tags)
 
-    # Clear temporary files
-    files.clear_temporary(userid)
-
     d.metric('increment', 'submissions')
     d.metric('increment', 'literarysubmissions')
 
@@ -445,24 +436,20 @@ def create_multimedia(userid, submission, embedlink=None, friends_only=None,
     # Create submission
     db = d.connect()
     now = arrow.get()
-    try:
-        q = (
-            d.meta.tables['submission'].insert().values([{
-                "folderid": submission.folderid,
-                "userid": userid,
-                "unixtime": now,
-                "title": submission.title,
-                "content": submission.content,
-                "subtype": submission.subtype,
-                "rating": submission.rating,
-                "settings": settings,
-                "sorttime": now,
-            }])
-            .returning(d.meta.tables['submission'].c.submitid))
-        submitid = db.scalar(q)
-    except PostgresError:
-        files.clear_temporary(userid)
-        raise
+    q = (
+        d.meta.tables['submission'].insert().values([{
+            "folderid": submission.folderid,
+            "userid": userid,
+            "unixtime": now,
+            "title": submission.title,
+            "content": submission.content,
+            "subtype": submission.subtype,
+            "rating": submission.rating,
+            "settings": settings,
+            "sorttime": now,
+        }])
+        .returning(d.meta.tables['submission'].c.submitid))
+    submitid = db.scalar(q)
 
     # Assign search tags
     searchtag.associate(userid, tags, submitid=submitid)
@@ -482,9 +469,6 @@ def create_multimedia(userid, submission, embedlink=None, friends_only=None,
         _create_notifications(userid, submitid, submission.rating, settings,
                               submission.title, tags)
 
-    # Clear temporary files
-    files.clear_temporary(userid)
-
     d.metric('increment', 'submissions')
     d.metric('increment', 'multimediasubmissions')
 
@@ -512,7 +496,6 @@ def reupload(userid, submitid, submitfile):
 
     # Check invalid file data
     if not submitsize:
-        files.clear_temporary(userid)
         raise WeasylError("submitSizeZero")
 
     # Write temporary submission file
diff --git a/weasyl/test/test_marketplace.py b/weasyl/test/test_marketplace.py
index 0048a0bd5..0a5d6085c 100644
--- a/weasyl/test/test_marketplace.py
+++ b/weasyl/test/test_marketplace.py
@@ -5,7 +5,7 @@
 import arrow
 import pytest
 from weasyl.test import db_utils
-from weasyl import commishinfo, orm, profile, searchtag
+from weasyl import commishinfo, define as d, orm, profile, searchtag
 
 
 @pytest.mark.usefixtures('db')
@@ -98,7 +98,7 @@ def test_commish_search_invalid():
 
     # user meets all requirements, but is suspended
     u4 = create_commish_searchable_user("u4")
-    db_utils.create_suspenduser(u4, "", arrow.now() + datetime.timedelta(days=7))
+    db_utils.create_suspenduser(u4, "", d.get_time() + 604800)
 
     # user meets all requirements, but is banned
     u5 = create_commish_searchable_user("u5")