Python 2.7 compatibility.

test/test_new_parser.py

@@ -1,3 +1,4 @@
+from jedi._compatibility import u
 from jedi.parser import Parser, load_grammar
 
 
@@ -6,7 +7,7 @@ def test_basic_parsing():
         """Generates the AST object and then regenerates the code."""
         assert Parser(load_grammar(), string).module.get_code() == string
 
-    compare('\na #pass\n')
-    compare('wblabla* 1\t\n')
-    compare('def x(a, b:3): pass\n')
-    compare('assert foo\n')
+    compare(u('\na #pass\n'))
+    compare(u('wblabla* 1\t\n'))
+    compare(u('def x(a, b:3): pass\n'))
+    compare(u('assert foo\n'))