clean up conventions and whitespace

qa/rpc-tests/test_framework/authproxy.py

@@ -85,8 +85,7 @@ class AuthServiceProxy():
             self.__conn = connection
             self.timeout = connection.timeout
         elif self.__url.scheme == 'https':
-            self.__conn = HTTPSConnection(self.__url.hostname, port,
-                                                  timeout=self.timeout)
+            self.__conn = HTTPSConnection(self.__url.hostname, port, timeout=self.timeout)
         else:
             self.__conn = HTTPConnection(self.__url.hostname, port, timeout=self.timeout)
    
@@ -97,7 +96,7 @@ class AuthServiceProxy():
         if self.__service_name is not None:
             name = "%s.%s" % (self.__service_name, name)
         return AuthServiceProxy(self.__service_url, name, connection=self.__conn)
-  
+
     def _request(self, method, path, postdata):
         '''
         Do a HTTP request, with retry if we get disconnected (e.g. due to a timeout).

qa/rpc-tests/test_framework/script.py

@@ -40,9 +40,9 @@ class CScriptOp(int):
     def encode_op_pushdata(d):
         """Encode a PUSHDATA op, returning bytes"""
         if len(d) < 0x4c:
-            return b'' + struct.pack(b'B', len(d)) + d # OP_PUSHDATA
+            return b'' + struct.pack('B', len(d)) + d # OP_PUSHDATA
         elif len(d) <= 0xff:
-            return b'\x4c' + struct.pack(b'B', len(d)) + d # OP_PUSHDATA1
+            return b'\x4c' + struct.pack('B', len(d)) + d # OP_PUSHDATA1
         elif len(d) <= 0xffff:
             return b'\x4d' + struct.pack(b'<H', len(d)) + d # OP_PUSHDATA2
         elif len(d) <= 0xffffffff:
@@ -631,7 +631,7 @@ class CScriptNum(object):
             r.append(0x80 if neg else 0)
         elif neg:
             r[-1] |= 0x80
-        return struct.pack("<B",len(r)) + r
+        return struct.pack("B", len(r)) + r
 
 
 class CScript(bytes):

qa/rpc-tests/wallet_changeaddresses.py

@@ -36,7 +36,7 @@ class WalletChangeAddressesTest(BitcoinTestFramework):
 
     def run_test(self):
         self.nodes[0].generate(110)
-        
+
         # Obtain some transparent funds
         midAddr = self.nodes[0].z_getnewaddress('sapling')
         myopid = self.nodes[0].z_shieldcoinbase(get_coinbase_address(self.nodes[0]), midAddr, 0)['opid']