title: Nestjs using axios
body: <blockquote>
    <p>This simple demo has an error
     <em><a href="https://docs.nestjs.com/techniques/http-module" rel="noreferrer">https://docs.nestjs.com/techniques/http-module</a></em></p>
  </blockquote>
  
  <pre><code>import { Get, Controller, HttpService } from '@nestjs/common';
  import { AxiosResponse } from 'axios'
  import { Observable } from 'rxjs'
  @Controller()
  export class AppController {
    constructor(private readonly http: HttpService) {}
    @Get()
    root(): Observable&lt;AxiosResponse&lt;any&gt;&gt;  {
      return this.http.get('https://api.github.com/users/januwA');
    }
  }
  </code></pre>
  
  <p>What should I do?</p>
  
  <pre><code>[Nest] 7356   - 2018-10-18 00:08:59   [ExceptionsHandler] Converting circular structure to JSON +9852ms
  TypeError: Converting circular structure to JSON
      at JSON.stringify (&lt;anonymous&gt;)
  </code></pre>
  
  <hr>
  
  <pre><code>nest i
  common version : 5.1.0
  core version   : 5.1.0
  </code></pre>