Fix the compatibility docstring

test/test_api/test_call_signatures.py

@@ -1,10 +1,10 @@
 import sys
 from textwrap import dedent
 import inspect
+from unittest import TestCase
 
 import pytest
 
-from ..helpers import TestCase
 from jedi import cache
 from jedi.parser_utils import get_signature
 from jedi import Interpreter

test/test_api/test_full_name.py

@@ -14,11 +14,11 @@ There are three kinds of test:
 """
 
 import textwrap
+from unittest import TestCase
 
 import pytest
 
 import jedi
-from ..helpers import TestCase
 
 
 class MixinTestFullName(object):

test/test_api/test_unicode.py

@@ -2,26 +2,25 @@
 """
 All character set and unicode related tests.
 """
-from jedi._compatibility import u, unicode
+from jedi._compatibility import u
 from jedi import Project
 
 
 def test_unicode_script(Script):
-    """ normally no unicode objects are being used. (<=2.7) """
-    s = unicode("import datetime; datetime.timedelta")
+    s = "import datetime; datetime.timedelta"
     completions = Script(s).complete()
     assert len(completions)
-    assert type(completions[0].description) is unicode
+    assert type(completions[0].description) is str
 
     s = u("author='öä'; author")
     completions = Script(s).complete()
     x = completions[0].description
-    assert type(x) is unicode
+    assert type(x) is str
 
     s = u("#-*- coding: iso-8859-1 -*-\nauthor='öä'; author")
     s = s.encode('latin-1')
     completions = Script(s).complete()
-    assert type(completions[0].description) is unicode
+    assert type(completions[0].description) is str
 
 
 def test_unicode_attribute(Script):