A few PEP8 fixes

picomon/attrtree.py

@@ -22,7 +22,7 @@ class AttrTree(object):
         return self._attrs[key]
 
     def __setitem__(self, key, value):
-        if not key in self._attrs:
+        if key not in self._attrs:
             raise KeyError('Key "%s" does not exist' % key)
         elif isinstance(self._attrs[key], AttrTree):
             raise KeyError('Key "%s" is not settable' % key)

picomon_watchdog.py

@@ -9,8 +9,8 @@ from picomon import mails
 # launch picomon
 retcode = subprocess.call(["python3", "picomon.py"] + sys.argv[1:])
 
-# load config file
-# (unprotected, will trigger exceptions if problems but real picomon beforehand)
+# load config file (unprotected, will trigger exceptions if problems but real
+#                   picomon beforehand)
 configfile = "config.py"
 
 if "-c" in sys.argv:
@@ -26,4 +26,3 @@ importlib.import_module(base)
 # send warning
 mails.send_email(config.emails.watchdog_subject,
                  "Picomon exited with status %s" % retcode)
-