diff --git a/bin/zulip-send b/bin/zulip-send
index 9777848..16815dc 100755
--- a/bin/zulip-send
+++ b/bin/zulip-send
@@ -89,7 +89,6 @@ def main(argv=None):
                      help='Allows the user to specify a subject for the message.')
     parser.add_option_group(group)
 
-
     (options, recipients) = parser.parse_args(argv[1:])
 
     if options.verbose:
diff --git a/integrations/basecamp/zulip_basecamp_config.py b/integrations/basecamp/zulip_basecamp_config.py
index 76ebda9..5c2ef1f 100644
--- a/integrations/basecamp/zulip_basecamp_config.py
+++ b/integrations/basecamp/zulip_basecamp_config.py
@@ -21,7 +21,6 @@
 # THE SOFTWARE.
 
 
-
 # Change these values to configure authentication for basecamp account
 BASECAMP_ACCOUNT_ID = "12345678"
 BASECAMP_USERNAME = "foo@example.com"
diff --git a/integrations/codebase/zulip_codebase_config.py b/integrations/codebase/zulip_codebase_config.py
index a2b94b5..ccad0fc 100644
--- a/integrations/codebase/zulip_codebase_config.py
+++ b/integrations/codebase/zulip_codebase_config.py
@@ -21,7 +21,6 @@
 # THE SOFTWARE.
 
 
-
 # Change these values to configure authentication for your codebase account
 # Note that this is the Codebase API Username, found in the Settings page
 # for your account
diff --git a/integrations/codebase/zulip_codebase_mirror b/integrations/codebase/zulip_codebase_mirror
index 9cfa24d..2f42d39 100755
--- a/integrations/codebase/zulip_codebase_mirror
+++ b/integrations/codebase/zulip_codebase_mirror
@@ -116,7 +116,6 @@ def handle_event(event):
         url = make_url("projects/%s" % (project_link,))
         scm = "of type %s" % (project_repo_type,) if project_repo_type else ""
 
-
         subject = "Repository %s Created" % (project_name,)
         content = "%s created a new repository %s [%s](%s)" % (actor_name, scm, project_name, url)
     elif event_type == 'push':
@@ -165,7 +164,6 @@ def handle_event(event):
         body = raw_props.get('content')
         changes = raw_props.get('changes')
 
-
         url = make_url("projects/%s/tickets/%s" % (project_link, num))
         subject = "#%s: %s" % (num, name)
 
diff --git a/integrations/perforce/git_p4.py b/integrations/perforce/git_p4.py
index bbcd80c..eb5bbea 100755
--- a/integrations/perforce/git_p4.py
+++ b/integrations/perforce/git_p4.py
@@ -873,7 +873,6 @@ class P4UserMap(object):
             self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
             self.emails[output["Email"]] = output["User"]
 
-
         s = ''
         for (key, val) in self.users.items():
             s += "%s\t%s\n" % (key.expandtabs(1), val.expandtabs(1))
@@ -959,7 +958,6 @@ class P4RollBack(Command):
                     log = extractLogMessageFromGitCommit(ref)
                     settings =  extractSettingsGitLog(log)
 
-
                     depotPaths = settings['depot-paths']
                     change = settings['change']
 
@@ -2480,7 +2478,6 @@ class P4Sync(Command, P4UserMap):
                 if source not in self.knownBranches:
                     lostAndFoundBranches.add(source)
 
-
         for branch in lostAndFoundBranches:
             self.knownBranches[branch] = branch
 
@@ -2698,7 +2695,6 @@ class P4Sync(Command, P4UserMap):
                 sys.stderr.write("p4 exitcode: %s\n" % info['p4ExitCode'])
                 sys.exit(1)
 
-
             change = int(info["change"])
             if change > newestRevision:
                 newestRevision = change
@@ -2727,7 +2723,6 @@ class P4Sync(Command, P4UserMap):
             print("IO error with git fast-import. Is your git version recent enough?")
             print(self.gitError.read())
 
-
     def run(self, args):
         self.depotPaths = []
         self.changeRange = ""