diff --git a/doc/skel-manpage.py b/doc/skel-manpage.py
index 14ddfa7..bd71bea 100755
--- a/doc/skel-manpage.py
+++ b/doc/skel-manpage.py
@@ -2,6 +2,7 @@
 
 import os
 import sys
+
 sys.path.insert(0, os.path.abspath('../'))
 
 import argparse
@@ -9,12 +10,14 @@ import qubesadmin.tools.dochelpers
 
 parser = argparse.ArgumentParser(description='prepare new manpage for command')
 parser.add_argument('command', metavar='COMMAND',
-    help='program\'s command name; this should translate to '
-        'qubesadmin.tools.<command_name>')
+                    help='program\'s command name; this should translate to '
+                         'qubesadmin.tools.<command_name>')
+
 
 def main():
     args = parser.parse_args()
     sys.stdout.write(qubesadmin.tools.dochelpers.prepare_manpage(args.command))
 
+
 if __name__ == '__main__':
     main()
diff --git a/qubesadmin/tools/dochelpers.py b/qubesadmin/tools/dochelpers.py
index 6b0f949..4dd7e2c 100644
--- a/qubesadmin/tools/dochelpers.py
+++ b/qubesadmin/tools/dochelpers.py
@@ -39,9 +39,12 @@ import sphinx
 import sphinx.errors
 import sphinx.locale
 import sphinx.util.docfields
+from sphinx.util import logging
 
 import qubesadmin.tools
 
+log = logging.getLogger(__name__)
+
 SUBCOMMANDS_TITLE = 'COMMANDS'
 OPTIONS_TITLE = 'OPTIONS'
 
@@ -79,14 +82,13 @@ def prepare_manpage(command):
 
     stream.write(make_rst_section('Options', '-'))
 
-    for action in parser._actions: # pylint: disable=protected-access
+    for action in parser._actions:  # pylint: disable=protected-access
         stream.write('.. option:: ')
         if action.metavar:
-            stream.write(', '.join('{}{}{}'.format(
-                    option,
-                    '=' if option.startswith('--') else ' ',
-                    action.metavar)
-                for option in sorted(action.option_strings)))
+            stream.write(', '.join(
+                '{}{}{}'.format(option, '=' if option.startswith('--') else ' ',
+                                action.metavar) for option in
+                sorted(action.option_strings)))
         else:
             stream.write(', '.join(sorted(action.option_strings)))
         stream.write('\n\n   {}\n\n'.format(action.help))
@@ -107,6 +109,7 @@ def prepare_manpage(command):
 class OptionsCheckVisitor(docutils.nodes.SparseNodeVisitor):
     ''' Checks if the visited option nodes and the specified args are in sync.
     '''
+
     def __init__(self, command, args, document):
         assert isinstance(args, set)
         docutils.nodes.SparseNodeVisitor.__init__(self, document)
@@ -119,7 +122,6 @@ class OptionsCheckVisitor(docutils.nodes.SparseNodeVisitor):
         if not node.get('desctype', None) == 'option':
             raise docutils.nodes.SkipChildren
 
-
     def visit_desc_name(self, node):
         ''' Checks if the option is defined `self.args` '''
         if not isinstance(node[0], docutils.nodes.Text):
@@ -198,7 +200,6 @@ class CommandCheckVisitor(docutils.nodes.SparseNodeVisitor):
                 assert alias in self.sub_commands
                 del self.sub_commands[alias]
 
-
     def check_undocumented_sub_commands(self):
         ''' Call this to check if any undocumented sub_commands are left.
 
@@ -218,12 +219,13 @@ class ManpageCheckVisitor(docutils.nodes.SparseNodeVisitor):
     ''' Checks if the sub-commands and options specified in the 'COMMAND' and
         'OPTIONS' (case insensitve) sections in sync the command parser.
     '''
+
     def __init__(self, app, command, document):
         docutils.nodes.SparseNodeVisitor.__init__(self, document)
         try:
             parser = qubesadmin.tools.get_parser_for_command(command)
         except ImportError:
-            app.warn('cannot import module for command')
+            log.warning('cannot import module for command')
             self.parser = None
             return
         except AttributeError:
@@ -261,7 +263,7 @@ class ManpageCheckVisitor(docutils.nodes.SparseNodeVisitor):
         section_title = str(node[0][0]).upper()
         if section_title == OPTIONS_TITLE:
             options_visitor = OptionsCheckVisitor(self.command, self.options,
-                                          self.document)
+                                                  self.document)
             node.walkabout(options_visitor)
             options_visitor.check_undocumented_arguments()
         elif section_title == SUBCOMMANDS_TITLE:
@@ -270,6 +272,7 @@ class ManpageCheckVisitor(docutils.nodes.SparseNodeVisitor):
             node.walkabout(sub_cmd_visitor)
             sub_cmd_visitor.check_undocumented_sub_commands()
 
+
 def check_man_args(app, doctree, docname):
     ''' Checks the manpage for undocumented or obsolete sub-commands and
         options.
@@ -278,11 +281,10 @@ def check_man_args(app, doctree, docname):
     if os.path.basename(dirname) != 'manpages':
         return
 
-    app.info('Checking arguments for {!r}'.format(command))
+    log.info('Checking arguments for {!r}'.format(command))
     doctree.walk(ManpageCheckVisitor(app, command, doctree))
 
 
-
 def break_to_pdb(app, *_dummy):
     '''DEBUG'''
     if not app.config.break_to_pdb:
@@ -298,5 +300,4 @@ def setup(app):
     app.connect('doctree-resolved', break_to_pdb)
     app.connect('doctree-resolved', check_man_args)
 
-
 # vim: ts=4 sw=4 et