Merge pull request #17 from php-http/analysis-qyAGNq

Applied fixes from StyleCI

Author: sagikazarmark

src/Guzzle6HttpAdapter.php

@@ -6,7 +6,6 @@
 use GuzzleHttp\ClientInterface;
 use Http\Client\HttpAsyncClient;
 use Http\Client\HttpClient;
-use Http\Client\Promise;
 use Http\Client\Tools\HttpClientEmulator;
 use Psr\Http\Message\RequestInterface;
 

src/Guzzle6Promise.php

@@ -48,25 +48,25 @@ class Guzzle6Promise implements Promise
     public function __construct(PromiseInterface $promise, RequestInterface $request)
     {
         $this->request = $request;
-        $this->state   = self::PENDING;
+        $this->state = self::PENDING;
         $this->promise = $promise->then(function ($response) {
             $this->response = $response;
             $this->state = self::FULFILLED;
 
             return $response;
         }, function ($reason) use ($request) {
             if ($reason instanceof HttplugException) {
-                $this->state     = self::REJECTED;
+                $this->state = self::REJECTED;
                 $this->exception = $reason;
 
                 throw $this->exception;
             }
 
             if (!($reason instanceof GuzzleExceptions\GuzzleException)) {
-                throw new \RuntimeException("Invalid reason");
+                throw new \RuntimeException('Invalid reason');
             }
 
-            $this->state     = self::REJECTED;
+            $this->state = self::REJECTED;
             $this->exception = $this->handleException($reason, $request);
 
             throw $this->exception;