diff --git a/jedi/api.py b/jedi/api.py
index c98c88bc..4a73877c 100644
--- a/jedi/api.py
+++ b/jedi/api.py
@@ -27,7 +27,6 @@ from __future__ import with_statement
 __all__ = ['Script', 'NotFoundError', 'set_debug_function']
 
 import re
-import weakref
 
 import parsing
 import dynamic
@@ -196,7 +195,7 @@ class Script(object):
         except IndexError:
             raise NotFoundError()
         stmt.start_pos = self.pos
-        stmt.parent = weakref.ref(self.parser.user_scope)
+        stmt.parent = lambda: self.parser.user_scope
         return stmt
 
     def get_definition(self):
diff --git a/test/regression.py b/test/regression.py
index c4629abe..cc81699a 100755
--- a/test/regression.py
+++ b/test/regression.py
@@ -7,9 +7,8 @@ from os.path import abspath, dirname
 import time
 import functools
 
-sys.path.append(abspath(dirname(abspath(__file__)) + '/../jedi'))
+sys.path.insert(0, abspath(dirname(abspath(__file__)) + '/../jedi'))
 os.chdir(os.path.dirname(os.path.abspath(__file__)) + '/../jedi')
-sys.path.append('.')
 
 from _compatibility import is_py25, utf8
 import api
diff --git a/test/run.py b/test/run.py
index f3f89c5d..db8b2c2f 100755
--- a/test/run.py
+++ b/test/run.py
@@ -5,7 +5,7 @@ import re
 import traceback
 from os.path import abspath, dirname
 
-sys.path.append(abspath(dirname(abspath(__file__)) + '/../jedi'))
+sys.path.insert(0, abspath(dirname(abspath(__file__)) + '/../jedi'))
 os.chdir(dirname(abspath(__file__)) + '/../jedi')
 
 from _compatibility import unicode, StringIO, reduce, literal_eval, is_py25