title: AttributeError: 'TimedeltaProperties' object has no attribute 'minute'
body: <p>I have a dataframe that looks like this</p>
  <pre><code>df
  
  [output]:
  date        time
  2020-02-28  00:30:45
  2020-02-28  00:30:45
  2020-03-09  00:21:06
  2020-03-09  00:21:06
  2020-03-09  00:21:06
  </code></pre>
  <p>with</p>
  <pre><code>df.time.dtype
  
  [output]: dtype('&lt;m8[ns]')
  </code></pre>
  <p>I want to extract the minutes in the time variable with the following command</p>
  <pre><code>df.time.dt.minute
  </code></pre>
  <p>but instead, I have this error</p>
  <blockquote>
  <p>AttributeError: 'TimedeltaProperties' object has no attribute 'minute'</p>
  </blockquote>
  <p>Does someone know how to fix this problem?</p>