title: OS error 22 : File open and close on Azure "Invalid Argument"
body: <p>Running below code in Azure Blobstorage concurrently is throwing
  OS Error 22:Invalid argument  pointing to f.close()</p>
  <p>Is using  Close() when using with open() creating OS error 22 issues?
  Understand that Close() is not required but want to understand the root cause of OS error 22</p>
  <pre><code>*with open(openfilepath,&quot;w+&quot;) as f:
       f.write(writeFile )
       f.close()*
  </code></pre>