PUT request fails to complete with content type and body

[killvetrov]

Running the following request fails in version 1.4.1.

EasyNet.put()
    .setUrl(destinationUrl)
    .setContentType("image/png")
    .addParam(imageFile);

Log output:

I/EasyNetwork: [PUT] https://storage.googleapis.com/...
I/EasyNetwork: [Headers]: User-Agent=App-Android/1.0-dev Dalvik/2.1.0 (Linux; U; Android 9; Android SDK built for x86 Build/PSR1.180720.075); Content-Type=image/png;
I/EasyNetwork: [Error]: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.length()' on a null object reference