Enable pylint trailing-whitespace check

Enables check and fixes:
************* Module ipapython.log_manager
ipapython/log_manager.py:808: [C0303(trailing-whitespace), ] Trailing
whitespace)
************* Module ipachangeconf
contrib/RHEL4/ipachangeconf.py:28: [C0303(trailing-whitespace), ]
Trailing whitespace)
contrib/RHEL4/ipachangeconf.py:116: [C0303(trailing-whitespace), ]
Trailing whitespace)
************* Module ipalib.plugins.pwpolicy
ipalib/plugins/pwpolicy.py:174: [C0303(trailing-whitespace), ] Trailing
whitespace)
ipalib/plugins/pwpolicy.py:180: [C0303(trailing-whitespace), ] Trailing
whitespace)

Reviewed-By: Jan Cholasta <jcholast@redhat.com>

contrib/RHEL4/ipachangeconf.py

@@ -25,7 +25,7 @@ def openLocked(filename, perms):
     fd = -1
     try:
         fd = os.open(filename, os.O_RDWR | os.O_CREAT, perms)
-        
+
         fcntl.lockf(fd, fcntl.LOCK_EX)
     except OSError as e:
         if fd != -1:
@@ -113,7 +113,7 @@ class IPAChangeConf:
             return False
         if not cl.endswith(self.sectnamdel[1]):
             return False
-        return cl[len(self.sectnamdel[0]):-len(self.sectnamdel[1])]            
+        return cl[len(self.sectnamdel[0]):-len(self.sectnamdel[1])]
 
     def matchSubSection(self, line):
         if self.matchComment(line):

ipalib/plugins/pwpolicy.py

@@ -171,13 +171,13 @@ class cosentry_add(LDAPCreate):
 
     def pre_callback(self, ldap, dn, entry_attrs, attrs_list, *keys, **options):
         assert isinstance(dn, DN)
-        
+
         # check for existence of the group
         group_dn = self.api.Object.group.get_dn(keys[-1])
         try:
             result = ldap.get_entry(group_dn, ['objectclass'])
         except errors.NotFound:
-            self.api.Object.group.handle_not_found(keys[-1]) 
+            self.api.Object.group.handle_not_found(keys[-1])
 
         oc = [x.lower() for x in result['objectclass']]
         if 'mepmanagedentry' in oc:

ipapython/log_manager.py

@@ -805,7 +805,7 @@ class LogManager(object):
         default_level attribute but that does not update the configure_state,
         this method is provided as a convenience to simultaneously set the
         configure_state if so desired.
-        
+
         :parameters:
           level
             The new default level for the log manager.  See

make-lint

@@ -302,7 +302,6 @@ def main():
         linter.set_option('disable', 'old-style-class')
         linter.set_option('disable', 'superfluous-parens')
         linter.set_option('disable', 'too-many-lines')
-        linter.set_option('disable', 'trailing-whitespace')
         linter.set_option('disable', 'unidiomatic-typecheck')
 
         linter.set_option('disable', 'R')