renderFileInput = ({ input, type, meta }) => {
    const { mimeType } = this.props;
    return (
        <div>
        <input
          name={input.name}
          type={type}
          accept={mimeType}
          onChange={event => this.handleChange(event, input)}
        />
        {meta && meta.invalid && meta.error && (
            <Message negative header="Error:" content={meta.error} />
        )}
        </div>
    );
};