fix #200 'keywords must be strings' error on OSX < 10.7 (with python …

…< 2.6.6)

sublimerepl.py

@@ -21,12 +21,14 @@
     from . import repls
     from .repllibs import PyDbLite
     unicode_type = str
+    PY2 = False
 except ImportError:
     import sublimerepl_build_system_hack
     import repls
     from repllibs import PyDbLite
     import Queue as queue
     unicode_type = unicode
+    PY2 = True
 
 PLATFORM = sublime.platform().lower()
 SETTINGS_FILE = 'SublimeREPL.sublime-settings'
@@ -533,13 +535,20 @@ def _subst_for_translate(window):
             project_settings = sublimerepl_build_system_hack.get_project_settings(window)
             res.update(project_settings)
 
+        # see #200, on older OSX (10.6.8) system wide python won't accept
+        # dict(unicode -> unicode) as **argument.
+        # It's best to just str() keys, since they are ascii anyway
+        if PY2:
+            return dict((str(key), val) for key, val in res.items())
+
         return res
 
     @staticmethod
     def _translate_string(window, string, subst=None):
         from string import Template
         if subst is None:
             subst = ReplManager._subst_for_translate(window)
+
         return Template(string).safe_substitute(**subst)
 
     @staticmethod