fixed code quality

Author: kdcis

src/protocol.py

@@ -161,7 +161,7 @@ def checkIPAddress(host, private=False):
             hostStandardFormat = socket.inet_ntop(socket.AF_INET6, host)
         except ValueError:
             return False
-        if len(hostStandardFormat) == 0:
+        if hostStandardFormat:
             # This can happen on Windows systems which are
             # not 64-bit compatible so let us drop the IPv6 address.
             return False

src/tests/common.py

@@ -13,7 +13,7 @@
 def cleanup(home=None, files=_files):
     """Cleanup application files"""
     if not home:
-        from pybitmessage import state
+        import state
         home = state.appdata
     for pfile in files:
         try: