diff --git a/bin/wsdump.py b/bin/wsdump.py
index ea6bbb2..d395419 100755
--- a/bin/wsdump.py
+++ b/bin/wsdump.py
@@ -63,7 +63,7 @@ def parse_args():
 
     return parser.parse_args()
 
-class RawInput():
+class RawInput:
     def raw_input(self, prompt):
         if six.PY3:
             line = input(prompt)
@@ -103,16 +103,16 @@ def main():
     if args.verbose > 1:
         websocket.enableTrace(True)
     options = {}
-    if (args.proxy):
+    if args.proxy:
         p = urlparse(args.proxy)
         options["http_proxy_host"] = p.hostname
         options["http_proxy_port"] = p.port
-    if (args.origin):
+    if args.origin:
         options["origin"] = args.origin
-    if (args.subprotocols):
+    if args.subprotocols:
         options["subprotocols"] = args.subprotocols
     opts = {}
-    if (args.nocert):
+    if args.nocert:
         opts = { "cert_reqs": websocket.ssl.CERT_NONE, "check_hostname": False }
     ws = websocket.create_connection(args.url, sslopt=opts, **options)
     if args.raw:
@@ -125,14 +125,14 @@ def main():
         try:
             frame = ws.recv_frame()
         except websocket.WebSocketException:
-            return (websocket.ABNF.OPCODE_CLOSE, None)
+            return websocket.ABNF.OPCODE_CLOSE, None
         if not frame:
             raise websocket.WebSocketException("Not a valid frame %s" % frame)
         elif frame.opcode in OPCODE_DATA:
-            return (frame.opcode, frame.data)
+            return frame.opcode, frame.data
         elif frame.opcode == websocket.ABNF.OPCODE_CLOSE:
             ws.send_close()
-            return (frame.opcode, None)
+            return frame.opcode, None
         elif frame.opcode == websocket.ABNF.OPCODE_PING:
             ws.pong(frame.data)
             return frame.opcode, frame.data
@@ -152,7 +152,7 @@ def main():
                 msg = "%s: %s" % (websocket.ABNF.OPCODE_MAP.get(opcode), data)
 
             if msg is not None:
-                if (args.timings):
+                if args.timings:
                     console.write(str(time.time() - start_time) + ": " + msg)
                 else:
                     console.write(msg)
diff --git a/websocket/_core.py b/websocket/_core.py
index 13f7593..7527dbf 100644
--- a/websocket/_core.py
+++ b/websocket/_core.py
@@ -339,17 +339,17 @@ class WebSocket(object):
 
             elif frame.opcode == ABNF.OPCODE_CLOSE:
                 self.send_close()
-                return (frame.opcode, frame)
+                return frame.opcode, frame
             elif frame.opcode == ABNF.OPCODE_PING:
                 if len(frame.data) < 126:
                     self.pong(frame.data)
                 else:
                     raise WebSocketProtocolException("Ping message is too long")
                 if control_frame:
-                    return (frame.opcode, frame)
+                    return frame.opcode, frame
             elif frame.opcode == ABNF.OPCODE_PONG:
                 if control_frame:
-                    return (frame.opcode, frame)
+                    return frame.opcode, frame
 
     def recv_frame(self):
         """
diff --git a/websocket/_url.py b/websocket/_url.py
index dfd2c4b..9d705fd 100644
--- a/websocket/_url.py
+++ b/websocket/_url.py
@@ -66,7 +66,7 @@ def parse_url(url):
     if parsed.query:
         resource += "?" + parsed.query
 
-    return (hostname, port, resource, is_secure)
+    return hostname, port, resource, is_secure
 
 
 DEFAULT_NO_PROXY_HOST = ["localhost", "127.0.0.1"]
diff --git a/websocket/_utils.py b/websocket/_utils.py
index 58f6950..91be861 100644
--- a/websocket/_utils.py
+++ b/websocket/_utils.py
@@ -69,7 +69,7 @@ except ImportError:
     def _decode(state, codep, ch):
         tp = _UTF8D[ch]
 
-        codep = (ch & 0x3f ) | (codep << 6) if (state != _UTF8_ACCEPT)  else (0xff >> tp) & (ch)
+        codep = (ch & 0x3f ) | (codep << 6) if (state != _UTF8_ACCEPT)  else (0xff >> tp) & ch
         state = _UTF8D[256 + state + tp]
 
         return state, codep;