the temporary pyc package should always be removed

test/test_pyc.py

@@ -46,9 +46,11 @@ def test_pyc():
     """
     The list of completion must be greater than 2.
     """
+    try:
         generate_pyc()
         s = jedi.Script("from dummy_package import dummy; dummy.")
         assert len(s.completions()) >= 2
+    finally:
         shutil.rmtree("dummy_package")