Fixed os.path lookups.

plugins/Python.py

@@ -119,6 +119,9 @@ class Python(callbacks.Privmsg):
                         if info[0] is not None:
                             info[0].close()
                     except ImportError:
+                        if parts == ['os', 'path']:
+                            newmodule = os.path
+                        else:
                             irc.error(msg, 'No such module %s exists.' % name)
                             return
                 if hasattr(newmodule, functionName):

test/test_Python.py

@@ -50,6 +50,7 @@ class PythonTestCase(PluginTestCase, PluginDocumentation):
         self.assertNotError('pydoc socket.socket')
         self.assertNotError('pydoc logging.Logger')
         self.assertNotRegexp('pydoc str.replace', r"^'")
+        self.assertNotError('pydoc os.path.expanduser')
 
     def testZen(self):
         self.assertNotError('zen')