Minor fixes to get build to pass

packages/components/src/components/SquigglePlayground.tsx

@@ -8,10 +8,7 @@ import styled from "styled-components";
 import { useForm, useWatch } from "react-hook-form";
 import * as yup from "yup";
 import { yupResolver } from "@hookform/resolvers/yup";
-import {
-  defaultBindings,
-  environment,
-} from "@quri/squiggle-lang";
+import { defaultBindings, environment } from "@quri/squiggle-lang";
 
 interface FieldFloatProps {
   label: string;
@@ -132,7 +129,9 @@ const schema = yup
 
 type InputProps = {
   label: string;
+  children: ReactElement;
 };
+
 const InputItem: React.FC<InputProps> = ({ label, children }) => (
   <div>
     <label>{label}</label>
@@ -227,6 +226,7 @@ let SquigglePlayground: FC<PlaygroundProps> = ({
                 />
               </InputItem>
               <InputItem label="Json Editor for imports">
+                <>
                   <JsonEditor
                     value={importString}
                     onChange={getChangeJson}
@@ -235,6 +235,7 @@ let SquigglePlayground: FC<PlaygroundProps> = ({
                     height={100}
                   />
                   {importsAreValid ? "Valid" : "Invalid"}
+                </>
               </InputItem>
             </>
           ) : (