xml2nroff: Fix issues pointed out by flake8.

[cascardo/ovs.git] / build-aux / xml2nroff

diff --git a/build-aux/xml2nroff b/build-aux/xml2nroff
index 2c7e9ae..314a5e1 100755 (executable)
--- a/build-aux/xml2nroff
+++ b/build-aux/xml2nroff
@@ -14,9 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from datetime import date
 import getopt
-import os
 import sys
 import xml.dom.minidom
 
@@ -24,6 +22,7 @@ import build.nroff
 
 argv0 = sys.argv[0]
 
+
 def usage():
     print """\
 %(argv0)s: XML to nroff converter
@@ -40,6 +39,7 @@ The following options are also available:
 """ % {'argv0': argv0}
     sys.exit(0)
 
+
 def manpage_to_nroff(xml_file, subst, version=None):
     f = open(xml_file)
     input = []
@@ -48,9 +48,8 @@ def manpage_to_nroff(xml_file, subst, version=None):
             line = line.replace(k, v)
         input += [line]
     doc = xml.dom.minidom.parseString(''.join(input)).documentElement
-    d = date.fromtimestamp(os.stat(xml_file).st_mtime)
 
-    if version == None:
+    if version is None:
         version = "UNKNOWN"
     program = doc.attributes['program'].nodeValue
     title = doc.attributes['title'].nodeValue