title: ModuleNotFoundError: No module named 'fcntl'
body: <p>for flask application run using gunicorn</p>
  <pre><code>$ pip install gunicorn
  $ gunicorn --bind 0.0.0.0:8000 app:app
  </code></pre>
  <p><strong>getting error</strong></p>
  <blockquote>
  <p>Traceback (most recent call last):
  File &quot;C:\Users\shubham\AppData\Local\Programs\Python\Python37\lib\runpy.py&quot;, line 193, in _run_module_as_main
  &quot;<strong>main</strong>&quot;, mod_spec)
  File &quot;C:\Users\shubham\AppData\Local\Programs\Python\Python37\lib\runpy.py&quot;, line 85, in <em>run_code
  exec(code, run_globals)
  File &quot;C:\Users\shubham\Desktop\Full_stack_developer\venv\Scripts\gunicorn.exe_<em>main</em></em>.py&quot;, line 5, in 
  File &quot;c:\users\shubham\desktop\full_stack_developer\venv\lib\site-packages\gunicorn\app\wsgiapp.py&quot;, line 9, in 
  from gunicorn.app.base import Application
  File &quot;c:\users\shubham\desktop\full_stack_developer\venv\lib\site-packages\gunicorn\app\base.py&quot;, line 11, in 
  from gunicorn import util
  File &quot;c:\users\shubham\desktop\full_stack_developer\venv\lib\site-packages\gunicorn\util.py&quot;, line 9, in 
  import fcntl
  ModuleNotFoundError: No module named 'fcntl'</p>
  </blockquote>