Fix CS

Author: Jean85

src/BatchResult.php

@@ -93,7 +93,7 @@ public function getResponseFor(RequestInterface $request): ResponseInterface
      *
      * @return BatchResult the new BatchResult with this request-response pair added to it
      */
-    public function addResponse(RequestInterface $request, ResponseInterface $response): BatchResult
+    public function addResponse(RequestInterface $request, ResponseInterface $response): self
     {
         $new = clone $this;
         $new->responses->attach($request, $response);
@@ -165,7 +165,7 @@ public function getExceptionFor(RequestInterface $request): Exception
      *
      * @return BatchResult the new BatchResult with this request-exception pair added to it
      */
-    public function addException(RequestInterface $request, Exception $exception): BatchResult
+    public function addException(RequestInterface $request, Exception $exception): self
     {
         $new = clone $this;
         $new->exceptions->attach($request, $exception);

src/Deferred.php

@@ -76,7 +76,7 @@ public function getState(): string
 
     /**
      * Resolve this deferred with a Response.
-     * 
+     *
      * @param ResponseInterface $response
      */
     public function resolve(ResponseInterface $response)
@@ -95,7 +95,7 @@ public function resolve(ResponseInterface $response)
 
     /**
      * Reject this deferred with an Exception.
-     * 
+     *
      * @param Exception $exception
      */
     public function reject(Exception $exception)

src/FlexibleHttpClient.php

@@ -4,7 +4,6 @@
 
 use Http\Client\HttpAsyncClient;
 use Http\Client\HttpClient;
-use Psr\Http\Client\ClientInterface;
 
 /**
  * A flexible http client, which implements both interface and will emulate

src/HttpAsyncClientDecorator.php

@@ -3,7 +3,6 @@
 namespace Http\Client\Common;
 
 use Http\Client\HttpAsyncClient;
-use Http\Promise\Promise;
 use Psr\Http\Message\RequestInterface;
 
 /**