diff --git a/setup.py b/setup.py
index 7c7185f..9881520 100755
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 '''
 setup.py - setuptools installation configuration for warcprox
 
-Copyright (C) 2013-2019 Internet Archive
+Copyright (C) 2013-2020 Internet Archive
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
@@ -44,7 +44,7 @@ except:
 
 setuptools.setup(
         name='warcprox',
-        version='2.4.21',
+        version='2.4.24',
         description='WARC writing MITM HTTP/S proxy',
         url='https://github.com/internetarchive/warcprox',
         author='Noah Levitt',
diff --git a/warcprox/controller.py b/warcprox/controller.py
index 84c3b93..8d670cb 100644
--- a/warcprox/controller.py
+++ b/warcprox/controller.py
@@ -111,7 +111,7 @@ class Factory:
             assert hasattr(plugin, 'notify') ^ hasattr(plugin, '_startup')
             return plugin
         except Exception as e:
-            logging.fatal('problem with plugin class %r: %s', qualname, e)
+            logging.fatal('problem with plugin class %r', qualname, exc_info=1)
             sys.exit(1)
 
     @staticmethod
diff --git a/warcprox/dedup.py b/warcprox/dedup.py
index 17b332b..8227aa7 100644
--- a/warcprox/dedup.py
+++ b/warcprox/dedup.py
@@ -26,7 +26,6 @@ import os
 import json
 from hanzo import warctools
 import warcprox
-import trough.client
 import sqlite3
 import doublethink
 import datetime
@@ -500,13 +499,14 @@ class TroughDedupDb(DedupDb, DedupableMixin):
     SCHEMA_SQL = ('create table dedup (\n'
                   '    digest_key varchar(100) primary key,\n'
                   '    url varchar(2100) not null,\n'
-                  '    date datetime not null,\n'
+                  '    date varchar(100) not null,\n'
                   '    id varchar(100));\n') # warc record id
     WRITE_SQL_TMPL = ('insert or ignore into dedup\n'
                       '(digest_key, url, date, id)\n'
                       'values (%s, %s, %s, %s);')
 
     def __init__(self, options=warcprox.Options()):
+        import trough.client
         DedupableMixin.__init__(self, options)
         self.options = options
         self._trough_cli = trough.client.TroughClient(
diff --git a/warcprox/main.py b/warcprox/main.py
index d61e6b1..3afc1bb 100644
--- a/warcprox/main.py
+++ b/warcprox/main.py
@@ -302,6 +302,7 @@ def main(argv=None):
     else:
         loglevel = logging.INFO
 
+    logging.root.handlers = []
     logging.basicConfig(
             stream=sys.stdout, level=loglevel, format=(
                 '%(asctime)s %(process)d %(levelname)s %(threadName)s '