title: Can't install geopandas with anaconda because of conflicts
body: <p>I'm a beginner and I try to follow a tutorial. So I install a anaconda and next step I should install geopandas but I get this messages:</p>
  
  <pre><code>conda install geopandas
  Collecting package metadata (current_repodata.json): done
  Solving environment: failed with initial frozen solve. Retrying with flexible solve.
  Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
  Collecting package metadata (repodata.json): done
  Solving environment: failed with initial frozen solve. Retrying with flexible solve.
  Solving environment: \
  
  ...
  </code></pre>
  
  <p><a href="https://pastebin.com/c2cmmhrr" rel="noreferrer">https://pastebin.com/c2cmmhrr</a></p>
  
  <p>I try to install anaconda again and again but nothing works...</p>