Function annotations don't need to be tested in Python 2.7.

test/test_evaluate/test_annotations.py

@@ -0,0 +1,29 @@
+from textwrap import dedent
+
+import jedi
+import pytest
+
+
+@pytest.mark.skipif('sys.version_info[0] < 3')
+def test_simple_annotations():
+    """
+    Annotations only exist in Python 3.
+    At the moment we ignore them. So they should be parsed and not interfere
+    with anything.
+    """
+
+    source = dedent("""\
+    def annot(a:3):
+        return a
+
+    annot('')""")
+
+    assert [d.name for d in jedi.Script(source, ).goto_definitions()] == ['str']
+
+    source = dedent("""\
+
+    def annot_ret(a:3) -> 3:
+        return a
+
+    annot_ret('')""")
+    assert [d.name for d in jedi.Script(source, ).goto_definitions()] == ['str']