diff --git a/bin/linspector b/bin/linspector
index e50fa52..452f42f 100755
--- a/bin/linspector
+++ b/bin/linspector
@@ -132,7 +132,7 @@ def main():
     jobs = []
     count = 0
     percent = float(0)
-    increment = float(100) / float(job_count )
+    increment = float(100) / float(job_count)
     for layout in lin_conf.get_enabled_layouts():
         for hostgroup in layout.get_hostgroups():
             for service in hostgroup.get_services():
diff --git a/linspector/transactions/BaseTransaction.py b/linspector/transactions/BaseTransaction.py
index 3ccfafd..265d001 100644
--- a/linspector/transactions/BaseTransaction.py
+++ b/linspector/transactions/BaseTransaction.py
@@ -1,8 +1,5 @@
-__author__ = 'rafael'
-
-
 class BaseTransaction(object):
-    def __init__(self, linspectorInterface:
+    def __init__(self, linspectorInterface):
         self.interface = linspectorInterface
 
     def transact(self):
diff --git a/linspector/transactions/HostgroupHostTransaction.py b/linspector/transactions/HostgroupHostTransaction.py
index 15943e9..a8e6883 100644
--- a/linspector/transactions/HostgroupHostTransaction.py
+++ b/linspector/transactions/HostgroupHostTransaction.py
@@ -1,7 +1,6 @@
 from linspector.transactions import HostgroupTransaction
 from linspector.core.job import LinspectorJob
 
-__author__ = 'rafael'
 
 def handle_job(job):
     job.handle_call()
@@ -12,12 +11,11 @@ class HostgroupHostTransaction(HostgroupTransaction):
         super(HostgroupHostTransaction).__init__(linspectorInterface, hostgroup)
         self.host = host
 
+
 class HostgroupAddHostTransaction(HostgroupHostTransaction):
     def __init__(self, linspectorInterface, hostgroup, host):
         super(HostgroupHostTransaction).__init__(linspectorInterface, hostgroup, host)
 
-
-
     def transact(self):
         hostgroup = self.interface.get_config().get_hostgroup_by_name(self.hostgroup)
         if hostgroup is not None:
@@ -36,9 +34,5 @@ class HostgroupAddHostTransaction(HostgroupHostTransaction):
                             scheduler_job.misfire_grace_time = 2
                             job.set_job(scheduler_job)
                             self.interface.add_job(job)
-
-
         else:
-            raise Exception("could not find hostgroup %s" % self.hostgroup )
-
-
+            raise Exception("could not find hostgroup %s" % self.hostgroup)
\ No newline at end of file
diff --git a/linspector/transactions/HostgroupTransaction.py b/linspector/transactions/HostgroupTransaction.py
index fd21829..b33b2b0 100644
--- a/linspector/transactions/HostgroupTransaction.py
+++ b/linspector/transactions/HostgroupTransaction.py
@@ -1,7 +1,5 @@
-from cherrypy.test.test_session import host
 from linspector.transactions import BaseTransaction
 
-__author__ = 'rafael'
 
 class HostgroupTransaction(BaseTransaction):
     def __init__(self, linspectorInterface, hostgroup):