scripts: remove obsolete conditionals for Python 2

scripts/supybot

@@ -42,17 +42,14 @@ import sys
 import atexit
 import shutil
 import signal
-if sys.version_info[0] < 3:
-    import cStringIO as StringIO
-    StringIO = StringIO.StringIO
-else:
-    from io import StringIO
 
 if sys.version_info < (3, 4, 0):
     sys.stderr.write('This program requires Python 3.4 or later.')
     sys.stderr.write(os.linesep)
     sys.exit(-1)
 
+from io import StringIO  # Import this after version check since this will fail on Python 2
+
 def _termHandler(signalNumber, stackFrame):
     raise SystemExit('Signal #%s.' % signalNumber)
 

scripts/supybot-plugin-doc

@@ -36,9 +36,6 @@ import shutil
 
 import supybot
 
-if sys.version_info[0] >= 3:
-    basestring = str
-
 def error(s):
     sys.stderr.write('%s\n' % s)
     sys.exit(-1)
@@ -217,7 +214,7 @@ class PluginDoc(object):
             indent = origindent + 1
             try:
                 default = str(v)
-                if not isinstance(v._default, basestring):
+                if not isinstance(v._default, str):
                     default = utils.str.dqrepr(default)
                 help = v.help()
             except registry.NonExistentRegistryEntry: