Fix a usage of the css prop that wasn't updated to emotion 10's syntax (#86)

* Fix a usage of the css prop that wasn't updated to emotion 10's syntax

* A thing

Author: emmatown

.changeset/gold-scissors-hammer/changes.json

@@ -0,0 +1 @@
+{ "releases": [{ "name": "pretty-proptypes", "type": "patch" }], "dependents": [] }

.changeset/gold-scissors-hammer/changes.md

@@ -0,0 +1 @@
+Fix a usage of the css prop that wasn't updated to emotion 10's syntax

packages/pretty-proptypes/src/PrettyConvert/converters.js

@@ -2,7 +2,9 @@
 
 // TODO: Remove this eslint-disable
 /* eslint-disable */
-import React, { type Node } from 'react';
+/** @jsx jsx */
+import { jsx, css } from '@emotion/core';
+import { type Node } from 'react';
 import convert, { resolveFromGeneric } from 'kind2string';
 import type { Components } from '../components';
 import AddBrackets from './AddBrackets';
@@ -34,7 +36,7 @@ function printComplexType(type, components, depth) {
 
 export const TypeMinWidth = (props: { children: Node }) => (
   <span
-    css={`
+    css={css`
       display: inline-block;
       min-width: 60px;
     `}
@@ -44,7 +46,7 @@ export const TypeMinWidth = (props: { children: Node }) => (
 
 const Arrow = () => (
   <span
-    css={`
+    css={css`
       color: ${colors.G500};
     `}
   >