diff --git a/tldp/config.py b/tldp/config.py
index 0ab6cbb..6bd0459 100644
--- a/tldp/config.py
+++ b/tldp/config.py
@@ -14,6 +14,7 @@ logger = logging.getLogger(__name__)
 
 DEFAULT_CONFIGFILE = '/etc/ldptool/ldptool.ini'
 
+
 def collectconfiguration(tag, argv):
     ap = DefaultFreeArgumentParser()
 
diff --git a/tldp/doctypes/asciidoc.py b/tldp/doctypes/asciidoc.py
index 2104cc6..706d7d5 100644
--- a/tldp/doctypes/asciidoc.py
+++ b/tldp/doctypes/asciidoc.py
@@ -7,7 +7,7 @@ import logging
 
 from tldp.utils import which
 from tldp.utils import arg_isexecutable, isexecutable
-from tldp.doctypes.common import BaseDoctype, depends
+from tldp.doctypes.common import depends
 from tldp.doctypes.docbook4xml import Docbook4XML
 
 logger = logging.getLogger(__name__)
diff --git a/tldp/doctypes/common.py b/tldp/doctypes/common.py
index e58e515..c2d926d 100644
--- a/tldp/doctypes/common.py
+++ b/tldp/doctypes/common.py
@@ -181,7 +181,7 @@ class BaseDoctype(object):
             raise Exception(etext % (self.source.stem,))
 
     @logtimings(logger.debug)
-    def dump_shellscript(self, script, preamble=preamble, 
+    def dump_shellscript(self, script, preamble=preamble,
                          postamble=postamble, **kwargs):
         source = self.source
         output = self.output
@@ -193,7 +193,7 @@ class BaseDoctype(object):
         return True
 
     @logtimings(logger.debug)
-    def execute_shellscript(self, script, preamble=preamble, 
+    def execute_shellscript(self, script, preamble=preamble,
                             postamble=postamble, **kwargs):
         source = self.source
         output = self.output
diff --git a/tldp/doctypes/docbooksgml.py b/tldp/doctypes/docbooksgml.py
index 37aa543..9537498 100644
--- a/tldp/doctypes/docbooksgml.py
+++ b/tldp/doctypes/docbooksgml.py
@@ -119,9 +119,9 @@ class DocbookSGML(BaseDoctype, SignatureChecker):
         if not self.config.script:
             cwd = os.getcwd()
             if not os.path.samefile(cwd, self.output.dirname):
-                logger.error("%s (cowardly) refusing to clean directory %s", 
+                logger.error("%s (cowardly) refusing to clean directory %s",
                              self.source.stem, cwd)
-                logger.error("%s expected to find %s", 
+                logger.error("%s expected to find %s",
                              self.source.stem, self.output.dirname)
                 return False
         s = '''find . -mindepth 1 -maxdepth 1 -not -type d -delete -print'''
diff --git a/tldp/driver.py b/tldp/driver.py
index e7ef2f2..2f10e24 100644
--- a/tldp/driver.py
+++ b/tldp/driver.py
@@ -319,7 +319,7 @@ def publish(config, docs, **kwargs):
             #
             swapdirs(source.working.dirname, source.output.dirname)
             if os.path.isdir(source.working.dirname):
-                logger.debug("%s removing old directory %s", 
+                logger.debug("%s removing old directory %s",
                              source.stem, source.working.dirname)
                 shutil.rmtree(source.working.dirname)
         post_publish_cleanup(docs)
@@ -528,6 +528,7 @@ def handleArgs(config, args):
 
     return "Fell through handleArgs(); programming error."
 
+
 def run(argv):
     # -- may want to see option parsing, so set --loglevel as
     #    soon as possible
diff --git a/tldp/sources.py b/tldp/sources.py
index 18a7b8a..47e1e8f 100644
--- a/tldp/sources.py
+++ b/tldp/sources.py
@@ -198,8 +198,8 @@ class SourceDocument(object):
     def detail(self, widths, verbose, file=sys.stdout):
         '''produce a small tabular output about the document'''
         template = ' '.join(('{s.status:{w.status}}',
-                            '{s.doctype.formatname:{w.doctype}}',
-                            '{s.stem:{w.stem}}'))
+                             '{s.doctype.formatname:{w.doctype}}',
+                             '{s.stem:{w.stem}}'))
         outstr = template.format(s=self, w=widths)
         print(outstr, file=file)
         if verbose: