fix a docstr issue

jedi/evaluate/compiled/fake.py

@@ -96,7 +96,7 @@ def search_scope(scope, obj_name):
             return s
 
 
-def _faked(module, obj, name=None):
+def _faked(module, obj, name):
     # Crazy underscore actions to try to escape all the internal madness.
     obj = obj.__class__ if is_class_instance(obj) else obj
     if module is None:
@@ -138,9 +138,12 @@ def _faked(module, obj, name=None):
             return search_scope(cls, name)
 
 
-def get_faked(*args, **kwargs):
+def get_faked(module, obj, name=None):
-    result = _faked(*args, **kwargs)
+    result = _faked(module, obj, name)
-    if not isinstance(result, Class):
+    if not isinstance(result, Class) and result is not None:
+        # Set the docstr which was previously not set (faked modules don't
+        # contain it).
+        result.docstr = obj.__doc__
         return result
 
 

test/test_compiled.py

@@ -23,6 +23,10 @@ def test_fake_loading():
     assert isinstance(from_name, Function)
 
 
+def test_fake_docstr():
+    assert compiled.create(next).docstr == next.__doc__
+
+
 def test_parse_function_doc_illegal_docstr():
     docstr = """
     test_func(o