Fix flake8 errors

redis_info.py

@@ -39,6 +39,7 @@
 CONFIGS = []
 REDIS_INFO = {}
 
+
 def fetch_info(conf):
     """Connect to Redis server and request info"""
     try:
@@ -85,14 +86,15 @@ def fetch_info(conf):
     info_dict = parse_info(data.split(linesep))
     fp.close()
 
-    ## monitoring lengths of custom keys
+    # monitoring lengths of custom keys
     key_dict = get_llen_keys(s, conf)
     info_dict.update(key_dict)
-    
+
     s.close()
-     
+
     return info_dict
 
+
 def get_llen_keys(socket, conf):
     """
     for each llen_key specified in the config file,
@@ -105,10 +107,10 @@ def get_llen_keys(socket, conf):
     if len(conf['llen_keys']) > 0:
         for db, keys in conf['llen_keys'].items():
             socket.sendall('select  %d\r\n' % db)
-            status_line = llen_fp.readline() ## +OK
-            for key in keys: 
+            status_line = llen_fp.readline()  # +OK
+            for key in keys:
                 socket.sendall('llen %s\r\n' % key)
-                status_line = llen_fp.readline() ## :VALUE
+                status_line = llen_fp.readline()  # :VALUE
                 try:
                     val = int(filter(str.isdigit, status_line))
                 except ValueError:
@@ -120,6 +122,7 @@ def get_llen_keys(socket, conf):
     llen_fp.close()
     return key_dict
 
+
 def parse_info(info_lines):
     """Parse info response from Redis"""
     info = {}
@@ -245,6 +248,7 @@ def dispatch_value(info, key, type, plugin_instance=None, type_instance=None):
     val.meta = {'0': True}
     val.dispatch()
 
+
 def dispatch_llen_key(key_name, key_value, db_index, plugin_instance):
     """
     adds dimensions for key value and db_index for
@@ -265,10 +269,11 @@ def dispatch_llen_key(key_name, key_value, db_index, plugin_instance):
     val.meta = {'0': True}
     val.dispatch()
 
+
 def build_dimensions(keyname, db_index):
     dim = {'key_name': keyname, 'db_index': db_index}
     return _format_dimensions(dim)
- 
+
 
 def _format_dimensions(dimensions):
     """
@@ -286,6 +291,7 @@ def _format_dimensions(dimensions):
     dim_pairs = ["%s=%s" % (k, v) for k, v in dimensions.iteritems()]
     return "[%s]" % (",".join(dim_pairs))
 
+
 def read_callback():
     for conf in CONFIGS:
         get_metrics(conf)
@@ -320,13 +326,13 @@ def get_metrics(conf):
                            'commands_processed')
         else:
             dispatch_value(info, key, val, plugin_instance)
-    
+
     for db, keys in conf['llen_keys'].items():
         for key in keys:
             subkey = "db{0}_llen_{1}".format(db, key)
             val = info.get(subkey)
             dispatch_llen_key(key, val, db, plugin_instance)
-         
+
 
 def log_verbose(msg):
     if not VERBOSE_LOGGING: