Remove unused namespace and update scan

Author: exit99

redis/client.py

@@ -1532,6 +1532,8 @@ def scan(self, cursor=0, match=None, count=None):
         """
         pieces = [cursor]
         keys_at = []
+        if match is None and self.add_namespace:
+            match = '*'
         if match is not None:
             pieces.extend([Token.get_token('MATCH'), match])
             keys_at.extend(range(3, 1 + len(pieces)))

redis/connection.py

@@ -409,14 +409,12 @@ def __init__(self, host='localhost', port=6379, db=0, password=None,
                  socket_keepalive=False, socket_keepalive_options=None,
                  retry_on_timeout=False, encoding='utf-8',
                  encoding_errors='strict', decode_responses=False,
-                 parser_class=DefaultParser, socket_read_size=65536,
-                 namespace=None):
+                 parser_class=DefaultParser, socket_read_size=65536):
         self.pid = os.getpid()
         self.host = host
         self.port = int(port)
         self.db = db
         self.password = password
-        self.namespace = namespace
         self.socket_timeout = socket_timeout
         self.socket_connect_timeout = socket_connect_timeout or socket_timeout
         self.socket_keepalive = socket_keepalive