Create a new file on github

        :param file: File to create
        :return: File or self.ProxyError

def put(self, file):
        """ Create a new file on github

        :param file: File to create
        :return: File or self.ProxyError
        """
        input_ = {
            "message": file.logs,
            "author": file.author.dict(),
            "content": file.base64,
            "branch": file.branch
        }
        uri = "{api}/repos/{origin}/contents/{path}".format(
            api=self.github_api_url,
            origin=self.origin,
            path=file.path
        )
        data = self.request("PUT", uri, data=input_)

        if data.status_code == 201:
            file.pushed = True
            return file
        else:
            decoded_data = json.loads(data.content.decode("utf-8"))
            return self.ProxyError(
                data.status_code, (decoded_data, "message"),
                step="put", context={
                    "uri": uri,
                    "params": input_
                }
            )