5 files changed, 12 insertions, 12 deletions
diff --git a/test/functional/test_framework/address.py b/test/functional/test_framework/address.py
index 0ebc5efb7e..6a17d8480e 100644
--- a/test/functional/test_framework/address.py
+++ b/test/functional/test_framework/address.py
@@ -32,12 +32,12 @@ def byte_to_base58(b, version):
 # TODO: def base58_decode
 
 def keyhash_to_p2pkh(hash, main = False):
-    assert (len(hash) == 20)
+    assert len(hash) == 20
     version = 0 if main else 111
     return byte_to_base58(hash, version)
 
 def scripthash_to_p2sh(hash, main = False):
-    assert (len(hash) == 20)
+    assert len(hash) == 20
     version = 5 if main else 196
     return byte_to_base58(hash, version)
 
@@ -80,11 +80,11 @@ def check_key(key):
         key = hex_str_to_bytes(key) # Assuming this is hex string
     if (type(key) is bytes and (len(key) == 33 or len(key) == 65)):
         return key
-    assert(False)
+    assert False
 
 def check_script(script):
     if (type(script) is str):
         script = hex_str_to_bytes(script) # Assuming this is hex string
     if (type(script) is bytes or type(script) is CScript):
         return script
-    assert(False)
+    assert False
diff --git a/test/functional/test_framework/blocktools.py b/test/functional/test_framework/blocktools.py
index 9d7b4b2702..7ac044d0d0 100644
--- a/test/functional/test_framework/blocktools.py
+++ b/test/functional/test_framework/blocktools.py
@@ -131,7 +131,7 @@ def create_tx_with_script(prevtx, n, script_sig=b"", *, amount, script_pub_key=C
        Can optionally pass scriptPubKey and scriptSig, default is anyone-can-spend output.
     """
     tx = CTransaction()
-    assert(n < len(prevtx.vout))
+    assert n < len(prevtx.vout)
     tx.vin.append(CTxIn(COutPoint(prevtx.sha256, n), script_sig, 0xffffffff))
     tx.vout.append(CTxOut(amount, script_pub_key))
     tx.calc_sha256()
@@ -214,7 +214,7 @@ def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=Tru
     tx_to_witness = create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount)
     if (sign):
         signed = node.signrawtransactionwithwallet(tx_to_witness)
-        assert("errors" not in signed or len(["errors"]) == 0)
+        assert "errors" not in signed or len(["errors"]) == 0
         return node.sendrawtransaction(signed["hex"])
     else:
         if (insert_redeem_script):
diff --git a/test/functional/test_framework/netutil.py b/test/functional/test_framework/netutil.py
index 1a3efcd1ac..bf80d632cb 100644
--- a/test/functional/test_framework/netutil.py
+++ b/test/functional/test_framework/netutil.py
@@ -129,13 +129,13 @@ def addr_to_hex(addr):
                 if i == 0 or i == (len(addr)-1): # skip empty component at beginning or end
                     continue
                 x += 1 # :: skips to suffix
-                assert(x < 2)
+                assert x < 2
             else: # two bytes per component
                 val = int(comp, 16)
                 sub[x].append(val >> 8)
                 sub[x].append(val & 0xff)
         nullbytes = 16 - len(sub[0]) - len(sub[1])
-        assert((x == 0 and nullbytes == 0) or (x == 1 and nullbytes > 0))
+        assert (x == 0 and nullbytes == 0) or (x == 1 and nullbytes > 0)
         addr = sub[0] + ([0] * nullbytes) + sub[1]
     else:
         raise ValueError('Could not parse address %s' % addr)
diff --git a/test/functional/test_framework/socks5.py b/test/functional/test_framework/socks5.py
index a21c864e75..959f0023b1 100644
--- a/test/functional/test_framework/socks5.py
+++ b/test/functional/test_framework/socks5.py
@@ -144,7 +144,7 @@ class Socks5Server():
                 thread.start()
 
     def start(self):
-        assert(not self.running)
+        assert not self.running
         self.running = True
         self.thread = threading.Thread(None, self.run)
         self.thread.daemon = True
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py
index f7f1b277e4..b51239ae0f 100644
--- a/test/functional/test_framework/util.py
+++ b/test/functional/test_framework/util.py
@@ -264,7 +264,7 @@ def get_rpc_proxy(url, node_number, timeout=None, coveragedir=None):
     return coverage.AuthServiceProxyWrapper(proxy, coverage_logfile)
 
 def p2p_port(n):
-    assert(n <= MAX_NODES)
+    assert n <= MAX_NODES
     return PORT_MIN + n + (MAX_NODES * PortSeed.n) % (PORT_RANGE - 1 - MAX_NODES)
 
 def rpc_port(n):
@@ -422,7 +422,7 @@ def gather_inputs(from_node, amount_needed, confirmations_required=1):
     """
     Return a random set of unspent txouts that are enough to pay amount_needed
     """
-    assert(confirmations_required >= 0)
+    assert confirmations_required >= 0
     utxo = from_node.listunspent(confirmations_required)
     random.shuffle(utxo)
     inputs = []
@@ -500,7 +500,7 @@ def create_confirmed_utxos(fee, node, count):
         node.generate(1)
 
     utxos = node.listunspent()
-    assert(len(utxos) >= count)
+    assert len(utxos) >= count
     return utxos
 
 # Create large OP_RETURN txouts that can be appended to a transaction