Clean the path importer cache correctly, do not nuke entries for the standard library.

3 files changed, 3 insertions, 7 deletions

diff --git a/astroid/tests/resources.py b/astroid/tests/resources.py
index 755b3e9..bce6547 100644
--- a/astroid/tests/resources.py
+++ b/astroid/tests/resources.py
@@ -42,7 +42,7 @@ class SysPathSetup(object):
         del sys.path[0]
         datadir = find('')
         for key in list(sys.path_importer_cache):
-            if key.startswith(key):
+            if key.startswith(datadir):
                 del sys.path_importer_cache[key]
 
 
diff --git a/astroid/tests/unittest_builder.py b/astroid/tests/unittest_builder.py
index 4790bec..82f29f0 100644
--- a/astroid/tests/unittest_builder.py
+++ b/astroid/tests/unittest_builder.py
@@ -443,11 +443,7 @@ class BuilderTest(unittest.TestCase):
             next(astroid['global_no_effect'].ilookup('CSTE2'))
 
     def test_socket_build(self):
-        try:
-            import socket
-        except ImportError:
-            print(sys.path)
-            raise
+        import socket
         astroid = self.builder.module_build(socket)
         # XXX just check the first one. Actually 3 objects are inferred (look at
         # the socket module) but the last one as those attributes dynamically
diff --git a/tox.ini b/tox.ini
index 622251c..58d6938 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,4 +6,4 @@ envlist = py27, py33
 deps =

   logilab-common

   six

-commands = python -Wi -m unittest discover -v -s {envsitepackagesdir}/astroid/tests -p "unittest*.py"

+commands = python -Wi -m unittest discover -s {envsitepackagesdir}/astroid/tests -p "unittest*.py"