fix load module in py2 (#441)

* fix load module in py2

paddlehub/module/manager.py

@@ -74,8 +74,9 @@ class LocalModuleManager(object):
                         _item = _module.__dict__[_item]
                         _file = os.path.realpath(
                             sys.modules[_item.__module__].__file__)
-                        if issubclass(_item,
-                                      hub.Module) and _file == module_file:
+                        if issubclass(
+                                _item,
+                                hub.Module) and _file.startwith(module_file):
                             version = _item._version
                             break
                     sys.path.pop(0)

paddlehub/module/module.py

@@ -194,7 +194,7 @@ class Module(object):
             _file = os.path.realpath(sys.modules[_item.__module__].__file__)
             _module_path = os.path.realpath(
                 os.path.join(directory, "module.py"))
-            if issubclass(_item, Module) and _file == _module_path:
+            if issubclass(_item, Module) and _file.startswith(_module_path):
                 user_module = _item(directory=directory, **kwargs)
                 break
         sys.path.pop(0)

paddlehub/module/nlp_module.py

@@ -124,8 +124,8 @@ class NLPPredictionModule(NLPBaseModule):
         Run as a command
         """
         self.parser = argparse.ArgumentParser(
-            description='Run the %s module.' % self.module_name,
-            prog='hub run %s' % self.module_name,
+            description='Run the %s module.' % self.name,
+            prog='hub run %s' % self.name,
             usage='%(prog)s',
             add_help=True)