unicode issues in usage matching

jedi/api/usages.py

@@ -1,4 +1,4 @@
-from jedi._compatibility import unicode
+from jedi._compatibility import u
 from jedi import common
 from jedi.api import classes
 from jedi.parser import representation as pr
@@ -33,7 +33,7 @@ def usages(evaluator, definitions, search_name, mods):
         call_path = list(call.generate_call_path())
         for i, name in enumerate(call_path):
             # name is `pr.NamePart`.
-            if unicode(name) == search_name:
+            if u(name) == search_name:
                 follow.append(call_path[:i + 1])
 
         for call_path in follow:

jedi/evaluate/precedence.py

@@ -182,8 +182,7 @@ def _literals_to_types(evaluator, result):
             # Literals are only valid as long as the operations are
             # correct. Otherwise add a value-free instance.
             cls = builtin.get_by_name(r.name)
-            from jedi.evaluate import representation as er
-            result[i] = er.Instance(evaluator, cls)
+            result[i] = evaluator.execute(cls)[0]
     return list(set(result))
 
 

test/completion/usages.py

@@ -10,6 +10,8 @@ def abc(): pass
 abc.d.a.bsaasd.abc.d
 
 abc
+# unicode chars shouldn't be a problem.
+x['smörbröd'].abc
 
 if 1:
     abc =