lnbase: formatting, remove imports

lib/lnbase.py

@@ -9,7 +9,6 @@ from ecdsa import VerifyingKey
 from ecdsa.curves import SECP256k1
 import queue
 import traceback
-import itertools
 import json
 from collections import OrderedDict, defaultdict
 import asyncio
@@ -105,7 +104,7 @@ def make_handler(k, v):
         pos = 0
         for fieldname in v["payload"]:
             poslenMap = v["payload"][fieldname]
-            if "feature" in poslenMap and pos==len(data):
+            if "feature" in poslenMap and pos == len(data):
                 continue
             #print(poslenMap["position"], ma)
             assert pos == calcexp(poslenMap["position"], ma)
@@ -505,13 +504,13 @@ def make_commitment(ctn, local_funding_pubkey, remote_funding_pubkey, remote_pay
     c_inputs = [{
         'type': 'p2wsh',
         'x_pubkeys': pubkeys,
-        'signatures':[None, None],
+        'signatures': [None, None],
         'num_sig': 2,
         'prevout_n': funding_pos,
         'prevout_hash': funding_txid,
         'value': funding_sat,
         'coinbase': False,
-        'sequence':sequence
+        'sequence': sequence
     }]
     # commitment tx outputs
     local_script = bytes([opcodes.OP_IF]) + bfh(push_script(bh2u(revocation_pubkey))) + bytes([opcodes.OP_ELSE]) + add_number_to_script(to_self_delay) \
@@ -730,7 +729,7 @@ class Peer(PrintError):
             if atype == 0:
                 pass
             elif atype == 1:
-                ipv4_addr = '.'.join(map(lambda x: '%d'%x, read(4)))
+                ipv4_addr = '.'.join(map(lambda x: '%d' % x, read(4)))
                 port = int.from_bytes(read(2), 'big')
                 x = ipv4_addr, port, binascii.hexlify(pubkey)
                 addresses.append((ipv4_addr, port))