pep8, use which rather than hard coded path

cloudinit/config/cc_growpart.py

@@ -113,9 +113,10 @@ class ResizeGrowPart(object):
 
         return (before, get_size(partdev))
 
+
 class ResizeGpart(object):
     def available(self):
-        if not os.path.exists('/usr/local/sbin/gpart'):
+        if not util.which('gpart'):
             return False
         return True
 
@@ -138,7 +139,7 @@ class ResizeGpart(object):
         try:
             util.subp(["gpart", "resize", "-i", partnum, diskdev])
         except util.ProcessExecutionError as e:
-	    util.logexc(LOG, "Failed: gpart resize -i %s %s", partnum, diskdev)
+            util.logexc(LOG, "Failed: gpart resize -i %s %s", partnum, diskdev)
             raise ResizeFailedException(e)
 
         # Since growing the FS requires a reboot, make sure we reboot
@@ -147,6 +148,7 @@ class ResizeGpart(object):
 
         return (before, get_size(partdev))
 
+
 def get_size(filename):
     fd = os.open(filename, os.O_RDONLY)
     try:

cloudinit/config/cc_power_state_change.py

@@ -30,12 +30,10 @@ frequency = PER_INSTANCE
 
 EXIT_FAIL = 254
 
-#
-# Returns the cmdline for the given process id. In Linux we can use procfs for
-# this but on BSD there is /usr/bin/procstat.
-#
 
 def givecmdline(pid):
+    # Returns the cmdline for the given process id. In Linux we can use procfs
+    # for this but on BSD there is /usr/bin/procstat.
     try:
         # Example output from procstat -c 1
         #   PID COMM             ARGS
@@ -50,6 +48,7 @@ def givecmdline(pid):
     except IOError:
         return None
 
+
 def handle(_name, cfg, _cloud, log, _args):
 
     try: