Fix some stuff to make parso work again.

test/test_evaluate/test_precedence.py

@@ -12,6 +12,6 @@ import pytest
 ])
 def test_equals(source):
     script = Script(source)
-    node = script._get_module_node().children[0].children[0]
+    node = script._get_module_node().children[0]
     first, = script._get_module().eval_node(node)
     assert isinstance(first, CompiledObject) and first.obj is True

test/test_evaluate/test_sys_path.py

@@ -11,7 +11,7 @@ from jedi import Script
 def test_paths_from_assignment():
     def paths(src):
         script = Script(src)
-        expr_stmt = script._get_module_node().children[0].children[0]
+        expr_stmt = script._get_module_node().children[0]
         return set(sys_path._paths_from_assignment(script._get_module(), expr_stmt))
 
     assert paths('sys.path[0:0] = ["a"]') == set(['a'])