Fix test after removing the 'u' prefix from unicode string annotation values.

tests/run/cython3.pyx

@@ -7,25 +7,22 @@ print(end='')  # test that language_level 3 applies immediately at the module st
 cimport cython
 
 __doc__ = """
->>> items = sorted(locals_function(1).items())
->>> for item in items:
-...     print('%s = %r' % item)
-a = 1
-b = 2
-x = u'abc'
-
 >>> except_as_deletes
 True
 >>> no_match_does_not_touch_target
 True
 """
 
-import sys
-IS_PY2 = sys.version_info[0] < 3
-if not IS_PY2:
-    __doc__ = __doc__.replace(" u'", " '")
 
 def locals_function(a, b=2):
+    """
+    >>> items = sorted(locals_function(1).items())
+    >>> for item in items:
+    ...     print('%s = %r' % item)
+    a = 1
+    b = 2
+    x = 'abc'
+    """
     x = 'abc'
     return locals()
 
@@ -352,7 +349,7 @@ def unicode_literals():
 
 
 def non_ascii_unprefixed_str():
-    u"""
+    """
     >>> s = non_ascii_unprefixed_str()
     >>> isinstance(s, bytes)
     False
@@ -365,7 +362,7 @@ def non_ascii_unprefixed_str():
 
 
 def non_ascii_raw_str():
-    u"""
+    """
     >>> s = non_ascii_raw_str()
     >>> isinstance(s, bytes)
     False
@@ -378,7 +375,7 @@ def non_ascii_raw_str():
 
 
 def non_ascii_raw_prefixed_unicode():
-    u"""
+    """
     >>> s = non_ascii_raw_prefixed_unicode()
     >>> isinstance(s, bytes)
     False
@@ -616,15 +613,15 @@ def annotation_syntax(a: "test new test", b : "other" = 2, *args: "ARGS", **kwar
     >>> len(annotation_syntax.__annotations__)
     5
     >>> print(annotation_syntax.__annotations__['a'])
-    u'test new test'
+    'test new test'
     >>> print(annotation_syntax.__annotations__['b'])
-    u'other'
+    'other'
     >>> print(annotation_syntax.__annotations__['args'])
-    u'ARGS'
+    'ARGS'
     >>> print(annotation_syntax.__annotations__['kwargs'])
-    u'KWARGS'
+    'KWARGS'
     >>> print(annotation_syntax.__annotations__['return'])
-    u'ret'
+    'ret'
     """
     result : int = a + b
 
@@ -648,10 +645,10 @@ async def async_def_annotations(x: 'int') -> 'float':
     >>> ret, arg = sorted(async_def_annotations.__annotations__.items())
     >>> print(ret[0]); print(ret[1])
     return
-    u'float'
+    'float'
     >>> print(arg[0]); print(arg[1])
     x
-    u'int'
+    'int'
     """
     return float(x)