--- a/roundup/cgi/timestamp.py	Tue Jan 07 21:38:56 2020 -0500
+++ b/roundup/cgi/timestamp.py	Tue Jan 07 21:50:57 2020 -0500
@@ -7,22 +7,25 @@
 from roundup.i18n import _
 from roundup.anypy.strings import b2s, s2b
 
+
 def pack_timestamp():
     return b2s(base64.b64encode(struct.pack("i", int(time.time()))).strip())
 
+
 def unpack_timestamp(s):
     try:
-        timestamp = struct.unpack("i",base64.b64decode(s2b(s)))[0]
-    except (struct.error, binascii.Error, TypeError) as e:
+        timestamp = struct.unpack("i", base64.b64decode(s2b(s)))[0]
+    except (struct.error, binascii.Error, TypeError):
         raise FormError(_("Form is corrupted."))
     return timestamp
 
+
 class Timestamped:
-    def timecheck(self,field,delay):
+    def timecheck(self, field, delay):
         try:
             created = unpack_timestamp(self.form[field].value)
         except KeyError:
-            raise FormError(_("Form is corrupted, missing: %s."%field))
+            raise FormError(_("Form is corrupted, missing: %s." % field))
         if time.time() - created < delay:
             raise FormError(_("Responding to form too quickly."))
         return True