Adopt Black and isort (SC-700) (#1157)

Applied Black and isort, fixed any linting issues, updated tox.ini
and CI.

1 files changed, 17 insertions, 13 deletions

diff --git a/cloudinit/config/cc_set_hostname.py b/cloudinit/config/cc_set_hostname.py
index a96bcc18..eb0ca328 100644
--- a/cloudinit/config/cc_set_hostname.py
+++ b/cloudinit/config/cc_set_hostname.py
@@ -48,9 +48,8 @@ based on initial hostname.
 
 import os
 
-
-from cloudinit.atomic_helper import write_json
 from cloudinit import util
+from cloudinit.atomic_helper import write_json
 
 
 class SetHostnameError(Exception):
@@ -63,16 +62,19 @@ class SetHostnameError(Exception):
 
 def handle(name, cfg, cloud, log, _args):
     if util.get_cfg_option_bool(cfg, "preserve_hostname", False):
-        log.debug(("Configuration option 'preserve_hostname' is set,"
-                   " not setting the hostname in module %s"), name)
+        log.debug(
+            "Configuration option 'preserve_hostname' is set,"
+            " not setting the hostname in module %s",
+            name,
+        )
         return
 
     # Set prefer_fqdn_over_hostname value in distro
-    hostname_fqdn = util.get_cfg_option_bool(cfg,
-                                             "prefer_fqdn_over_hostname",
-                                             None)
+    hostname_fqdn = util.get_cfg_option_bool(
+        cfg, "prefer_fqdn_over_hostname", None
+    )
     if hostname_fqdn is not None:
-        cloud.distro.set_option('prefer_fqdn_over_hostname', hostname_fqdn)
+        cloud.distro.set_option("prefer_fqdn_over_hostname", hostname_fqdn)
 
     (hostname, fqdn) = util.get_hostname_fqdn(cfg, cloud)
     # Check for previous successful invocation of set-hostname
@@ -82,14 +84,15 @@ def handle(name, cfg, cloud, log, _args):
     # previous-hostname file which only contains the base hostname.
     # TODO consolidate previous-hostname and set-hostname artifact files and
     # distro._read_hostname implementation so we only validate  one artifact.
-    prev_fn = os.path.join(cloud.get_cpath('data'), "set-hostname")
+    prev_fn = os.path.join(cloud.get_cpath("data"), "set-hostname")
     prev_hostname = {}
     if os.path.exists(prev_fn):
         prev_hostname = util.load_json(util.load_file(prev_fn))
-    hostname_changed = (hostname != prev_hostname.get('hostname') or
-                        fqdn != prev_hostname.get('fqdn'))
+    hostname_changed = hostname != prev_hostname.get(
+        "hostname"
+    ) or fqdn != prev_hostname.get("fqdn")
     if not hostname_changed:
-        log.debug('No hostname changes. Skipping set-hostname')
+        log.debug("No hostname changes. Skipping set-hostname")
         return
     log.debug("Setting the hostname to %s (%s)", fqdn, hostname)
     try:
@@ -98,6 +101,7 @@ def handle(name, cfg, cloud, log, _args):
         msg = "Failed to set the hostname to %s (%s)" % (fqdn, hostname)
         util.logexc(log, msg)
         raise SetHostnameError("%s: %s" % (msg, e)) from e
-    write_json(prev_fn, {'hostname': hostname, 'fqdn': fqdn})
+    write_json(prev_fn, {"hostname": hostname, "fqdn": fqdn})
+
 
 # vi: ts=4 expandtab