python - Mysterious "'module' object has no attribute" error -

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every time try serve project error:

traceback (most recent call last):   file "/usr/bin/pserve", line 9, in <module>     load_entry_point('pyramid==1.5.2', 'console_scripts', 'pserve')()   file "/usr/lib/python3.4/site-packages/pyramid-1.5.2-py3.4.egg/pyramid/scripts/pserve.py", line 51, in main     return command.run()   file "/usr/lib/python3.4/site-packages/pyramid-1.5.2-py3.4.egg/pyramid/scripts/pserve.py", line 313, in run     relative_to=base, global_conf=vars)   file "/usr/lib/python3.4/site-packages/pyramid-1.5.2-py3.4.egg/pyramid/scripts/pserve.py", line 344, in loadserver     server_spec, name=name, relative_to=relative_to, **kw)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 255, in loadserver     return loadobj(server, uri, name=name, **kw)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 271, in loadobj     global_conf=global_conf)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 296, in loadcontext     global_conf=global_conf)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 320, in _loadconfig     return loader.get_context(object_type, name, global_conf)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 454, in get_context     section)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 476, in _context_from_use     object_type, name=use, global_conf=global_conf)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 406, in get_context     global_conf=global_conf)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 296, in loadcontext     global_conf=global_conf)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 328, in _loadegg     return loader.get_context(object_type, name, global_conf)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 620, in get_context     object_type, name=name)   file "/usr/lib/python3.4/site-packages/pastedeploy-1.5.2-py3.4.egg/paste/deploy/loadwsgi.py", line 646, in find_egg_entry_point     possible.append((entry.load(), protocol, entry.name))   file "/usr/lib/python3.4/site-packages/pkg_resources/__init__.py", line 2320, in load     return self.resolve()   file "/usr/lib/python3.4/site-packages/pkg_resources/__init__.py", line 2326, in resolve     module = __import__(self.module_name, fromlist=['__name__'], level=0)   file "/usr/lib/python3.4/site-packages/waitress-0.8.9-py3.4.egg/waitress/__init__.py", line 1, in <module>     waitress.server import create_server   file "/usr/lib/python3.4/site-packages/waitress-0.8.9-py3.4.egg/waitress/server.py", line 23, in <module>     waitress.channel import httpchannel   file "/usr/lib/python3.4/site-packages/waitress-0.8.9-py3.4.egg/waitress/channel.py", line 28, in <module>     waitress.task import (   file "/usr/lib/python3.4/site-packages/waitress-0.8.9-py3.4.egg/waitress/task.py", line 53, in <module>     class threadedtaskdispatcher(object):   file "/usr/lib/python3.4/site-packages/waitress-0.8.9-py3.4.egg/waitress/task.py", line 57, in threadedtaskdispatcher     start_new_thread = thread.start_new_thread attributeerror: 'module' object has no attribute 'start_new_thread'

the weird thing is, thread module has attribute start_new_thread

>>> waitress.compat import (thread, empty) >>> thread.start_new_thread <built-in function start_new_thread>

i started pyramid project using python 2.7, , trying switch on python 3.4.

things i've tried:

  • updating waitress module, it's date
  • scratching head


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