title: **Redundant conformance of 'FlickrPhotosViewController' to protocol 'UICollectionViewDataSource'**
body: <p>I am following this (<a href="http://www.raywenderlich.com/78550/beginning-ios-collection-views-swift-part-1" rel="nofollow">http://www.raywenderlich.com/78550/beginning-ios-collection-views-swift-part-1</a>) tutorial, and now i am</p>
  
  <p>getting this error :</p>
  
  <p><strong>Redundant conformance of 'FlickrPhotosViewController' to protocol 'UICollectionViewDataSource'</strong></p>
  
  <p>So i have this code over here :</p>
  
  <pre><code>extension FlickrPhotosViewController : UICollectionViewDataSource {
  
  //1
  override func numberOfSectionsInCollectionView(collectionView: UICollectionView) -&gt; Int {
      return searches.count
  }
  
  //2
  override func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -&gt; Int {
      return searches[section].searchResults.count
  }
  
  //3
  override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -&gt; UICollectionViewCell {
      let cell = collectionView.dequeueReusableCellWithReuseIdentifier(reuseIdentifier, forIndexPath: indexPath)
      cell.backgroundColor = UIColor.blackColor()
      // Configure the cell
      return cell
  </code></pre>
  
  <p>So what does this error mean?</p>
  
  <p>any help would be appreciated.</p>