Improved code quality

src/DropzoneArea.js

@@ -300,4 +300,5 @@ DropzoneArea.propTypes = {
     onDropRejected: PropTypes.func,
     onDelete: PropTypes.func
 };
-export default withStyles(styles)(DropzoneArea)
+
+export default withStyles(styles)(DropzoneArea);

src/PreviewList.js

@@ -42,7 +42,7 @@ const styles = {
             opacity: 1
         }
     }
-}
+};
 
 function PreviewList(props) {
     const { fileObjects, handleRemove, showFileNames, useChipsForPreview, previewChipProps, classes } = props;
@@ -90,4 +90,4 @@ function PreviewList(props) {
     )
 }
 
-export default withStyles(styles)(PreviewList);
+export default withStyles(styles)(PreviewList);

src/SnackbarContentWrapper.js

@@ -1,15 +1,13 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import classnames from 'classnames'
-import Button from '@material-ui/core/Button';
+import classnames from 'classnames';
 import CheckCircleIcon from '@material-ui/icons/CheckCircle';
 import ErrorIcon from '@material-ui/icons/Error';
 import InfoIcon from '@material-ui/icons/Info';
 import CloseIcon from '@material-ui/icons/Close';
 import green from '@material-ui/core/colors/green';
 import amber from '@material-ui/core/colors/amber';
 import IconButton from '@material-ui/core/IconButton';
-import Snackbar from '@material-ui/core/Snackbar';
 import SnackbarContent from '@material-ui/core/SnackbarContent';
 import WarningIcon from '@material-ui/icons/Warning';
 import { withStyles } from '@material-ui/core/styles';

src/index.js

@@ -1,5 +1,5 @@
 import DropzoneArea from './DropzoneArea';
-import DropzoneDialog from './DropzoneDialog'
+import DropzoneDialog from './DropzoneDialog';
 
 export {DropzoneArea};
-export {DropzoneDialog};
+export {DropzoneDialog};