AttributeError: 'module' object has no attribute 'run'

[tablecell]

 \lec.ker>python lecker.py
Traceback (most recent call last):
  File "lecker.py", line 94, in <module>
    web.run(urls, web.reloader)
AttributeError: 'module' object has no attribute 'run'

both python27 and python36 report error