Fixing errors reported by pycodestyle

gunicorn/arbiter.py

@@ -154,7 +154,7 @@ class Arbiter(object):
 
             self.LISTENERS = sock.create_sockets(self.cfg, self.log, fds)
 
-        listeners_str = ",".join([str(l) for l in self.LISTENERS])
+        listeners_str = ",".join([str(lnr) for lnr in self.LISTENERS])
         self.log.debug("Arbiter booted")
         self.log.info("Listening at: %s (%s)", listeners_str, self.pid)
         self.log.info("Using worker: %s", self.cfg.worker_class_str)
@@ -421,7 +421,7 @@ class Arbiter(object):
             environ['LISTEN_FDS'] = str(len(self.LISTENERS))
         else:
             environ['GUNICORN_FD'] = ','.join(
-                str(l.fileno()) for l in self.LISTENERS)
+                str(lnr.fileno()) for lnr in self.LISTENERS)
 
         os.chdir(self.START_CTX['cwd'])
 
@@ -454,11 +454,11 @@ class Arbiter(object):
         # do we need to change listener ?
         if old_address != self.cfg.address:
             # close all listeners
-            for l in self.LISTENERS:
+            for lnr in self.LISTENERS:
-                l.close()
+                lnr.close()
             # init new listeners
             self.LISTENERS = sock.create_sockets(self.cfg, self.log)
-            listeners_str = ",".join([str(l) for l in self.LISTENERS])
+            listeners_str = ",".join([str(lnr) for lnr in self.LISTENERS])
             self.log.info("Listening at: %s", listeners_str)
 
         # do some actions on reload

gunicorn/config.py

@@ -563,6 +563,7 @@ class ConfigFile(Setting):
            prefix.
         """
 
+
 class WSGIApp(Setting):
     name = "wsgi_app"
     section = "Config File"
@@ -575,6 +576,7 @@ class WSGIApp(Setting):
         .. versionadded:: 20.1.0
         """
 
+
 class Bind(Setting):
     name = "bind"
     action = "append"
@@ -1277,8 +1279,9 @@ class ForwardedAllowIPS(Setting):
         .. note::
 
             The interplay between the request headers, the value of ``forwarded_allow_ips``, and the value of
-            ``secure_scheme_headers`` is complex. Various scenarios are documented below to further elaborate. In each case, we 
+            ``secure_scheme_headers`` is complex. Various scenarios are documented below to further elaborate.
-            have a request from the remote address 134.213.44.18, and the default value of ``secure_scheme_headers``:
+            In each case, we have a request from the remote address 134.213.44.18, and the default value of
+            ``secure_scheme_headers``:
 
             .. code::
 
@@ -1617,6 +1620,7 @@ class StatsdHost(Setting):
     .. versionadded:: 19.1
     """
 
+
 # Datadog Statsd (dogstatsd) tags. https://docs.datadoghq.com/developers/dogstatsd/
 class DogstatsdTags(Setting):
     name = "dogstatsd_tags"
@@ -1632,6 +1636,7 @@ class DogstatsdTags(Setting):
     .. versionadded:: 20
     """
 
+
 class StatsdPrefix(Setting):
     name = "statsd_prefix"
     section = "Logging"

gunicorn/glogging.py

@@ -44,7 +44,6 @@ SYSLOG_FACILITIES = {
     "local7": 23
 }
 
-
 CONFIG_DEFAULTS = dict(
     version=1,
     disable_existing_loggers=False,

gunicorn/systemd.py

@@ -58,7 +58,6 @@ def sd_notify(state, logger, unset_environment=False):
     child processes.
     """
 
-
     addr = os.environ.get('NOTIFY_SOCKET')
     if addr is None:
         # not run in a service, just a noop
@@ -69,7 +68,7 @@ def sd_notify(state, logger, unset_environment=False):
             addr = '\0' + addr[1:]
         sock.connect(addr)
         sock.sendall(state.encode('utf-8'))
-    except:
+    except Exception:
         logger.debug("Exception while invoking sd_notify()", exc_info=True)
     finally:
         if unset_environment:

gunicorn/util.py

@@ -97,7 +97,7 @@ def load_class(uri, default="gunicorn.workers.sync.SyncWorker",
 
         try:
             mod = importlib.import_module('.'.join(components))
-        except:
+        except Exception:
             exc = traceback.format_exc()
             msg = "class uri %r invalid or not found: \n\n[%s]"
             raise RuntimeError(msg % (uri, exc))

gunicorn/workers/geventlet.py

@@ -66,7 +66,6 @@ def _eventlet_socket_sendfile(self, file, offset=0, count=None):
             file.seek(offset + total_sent)
 
 
-
 def _eventlet_serve(sock, handle, concurrency):
     """
     Serve requests forever.