Fix remaining flake8 errors

conftest.py

@@ -17,7 +17,7 @@ def get_bitcoind_version(version_string):
     # this utility function returns the version number
     # as a tuple in the form (major, minor, patch)
     version_tuple = re.match(
-        b'.*v(?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)',
+        br'.*v(?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)',
         version_string).groups()
     return tuple(map(lambda x: int(x), version_tuple))
 

jmbase/jmbase/twisted_utils.py

@@ -2,7 +2,7 @@
 from zope.interface import implementer
 from twisted.internet.error import ReactorNotRunning
 from twisted.internet import reactor, defer
-from twisted.internet.endpoints import TCP4ClientEndpoint
+from twisted.internet.endpoints import TCP4ClientEndpoint, UNIXClientEndpoint
 from twisted.web.client import Agent, BrowserLikePolicyForHTTPS
 import txtorcon
 from txtorcon.web import tor_agent

jmdaemon/jmdaemon/daemon_protocol.py

@@ -415,8 +415,8 @@ class SNICKERDaemonServerProtocol(HTTPPassThrough):
 
     @SNICKERReceiverGetProposals.responder
     def on_SNICKER_RECEIVER_GET_PROPOSALS(self):
-        for server in self.servers:
-            self.getRequest(server, self.receive_proposals_from_server)
+        for srv in self.servers:
+            self.getRequest(srv, self.receive_proposals_from_server)
         return {'accepted': True}
 
     def receive_proposals_from_server(self, response, server):

scripts/snicker/snicker-finder.py

@@ -24,6 +24,7 @@ in Bitcoin Core in order to get full transactions, since it
 parses the raw blocks.
 """
 
+import sys
 from optparse import OptionParser
 from jmbase import bintohex, EXIT_ARGERROR, jmprint
 import jmbitcoin as btc

scripts/snicker/snicker-recovery.py

@@ -24,6 +24,7 @@ keys, so as a reminder, *always* back up either jmdat wallet files,
 or at least, the imported keys themselves.)
 """
 
+import sys
 from optparse import OptionParser
 from jmbase import bintohex, EXIT_ARGERROR, jmprint
 import jmbitcoin as btc