diff --git a/examples/rpc-client.py b/examples/rpc-client.py
index c594299..8dcd5a1 100755
--- a/examples/rpc-client.py
+++ b/examples/rpc-client.py
@@ -373,7 +373,7 @@ def main(argv=None):
 
     # Create the RPC caller
     method = {'method': method_info[0],
-              'args': dict([(method_info[i], method_info[i+1])
+              'args': dict([(method_info[i], method_info[i + 1])
                             for i in range(1, len(method_info), 2)])}
     my_caller = my_connection.create_caller(method,
                                             "my-source-address",
diff --git a/pyngus/connection.py b/pyngus/connection.py
index 6e4b280..5f34912 100644
--- a/pyngus/connection.py
+++ b/pyngus/connection.py
@@ -424,8 +424,6 @@ class Connection(Endpoint):
         self._pn_sasl = None
         self._pn_ssl = None
 
-    _REMOTE_REQ = (proton.Endpoint.LOCAL_UNINIT
-                   | proton.Endpoint.REMOTE_ACTIVE)
     _CLOSED = (proton.Endpoint.LOCAL_CLOSED | proton.Endpoint.REMOTE_CLOSED)
     _ACTIVE = (proton.Endpoint.LOCAL_ACTIVE | proton.Endpoint.REMOTE_ACTIVE)
 
diff --git a/pyngus/link.py b/pyngus/link.py
index 1b50a9d..74c7def 100644
--- a/pyngus/link.py
+++ b/pyngus/link.py
@@ -188,15 +188,15 @@ class _Link(Endpoint):
     def active(self):
         state = self._pn_link.state
         return (not self._failed and
-                state == (proton.Endpoint.LOCAL_ACTIVE
-                          | proton.Endpoint.REMOTE_ACTIVE))
+                state == (proton.Endpoint.LOCAL_ACTIVE |
+                          proton.Endpoint.REMOTE_ACTIVE))
 
     @property
     def closed(self):
         state = self._pn_link.state
         return (self._failed or
-                state == (proton.Endpoint.LOCAL_CLOSED
-                          | proton.Endpoint.REMOTE_CLOSED))
+                state == (proton.Endpoint.LOCAL_CLOSED |
+                          proton.Endpoint.REMOTE_CLOSED))
 
     def reject(self, pn_condition):
         self._rejected = True  # prevent 'active' callback!
diff --git a/tests/unit_tests/connection.py b/tests/unit_tests/connection.py
index fbe4ddc..523948b 100644
--- a/tests/unit_tests/connection.py
+++ b/tests/unit_tests/connection.py
@@ -201,8 +201,8 @@ class APITest(common.Test):
         assert c1_events.remote_closed_ct == 0
         c2.close()
         common.process_connections(c1, c2)
-        assert (c1_events.remote_closed_ct == 1
-                and c2_events.remote_closed_ct == 0)
+        assert (c1_events.remote_closed_ct == 1 and
+                c2_events.remote_closed_ct == 0)
         assert c1_events.closed_ct == 0 and c2_events.closed_ct == 0
         assert not c1.active and not c2.active
         c1.close()
diff --git a/tox.ini b/tox.ini
index 8a3fed3..ad0f420 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ deps = -r{toxinidir}/test-requirements.txt
 commands = {toxinidir}/tests/test-runner
 
 [testenv:pep8]
-commands = flake8 pyngus examples tests
+commands = flake8 --ignore E402 pyngus examples tests
            flake8 --ignore F401 setup.py
 
 [flake8]