fix error code

Author: rmorshea

README.md

@@ -31,34 +31,34 @@ nox -s test
         <th>Message</th>
     </tr>
     <tr>
-        <td>REACTPY100</td>
+        <td>RPY100</td>
         <td>Hook is defined as a closure</td>
     </tr>
     <tr>
-        <td>REACTPY101</td>
+        <td>RPY101</td>
         <td>Hook was used outside component or hook definition</td>
     </tr>
     <tr>
-        <td>REACTPY102</td>
+        <td>RPY102</td>
         <td>Hook was used inside a conditional or loop statement</td>
     </tr>
     <tr>
-        <td>REACTPY103</td>
+        <td>RPY103</td>
         <td>Hook was used after an early return</td>
     </tr>
     <tr>
-        <td>REACTPY200</td>
+        <td>RPY200</td>
         <td>
             A hook's dependency is not destructured - dependencies should be refered to
             directly, not via an attribute or key of an object
         </td>
     </tr>
     <tr>
-        <td>REACTPY201</td>
+        <td>RPY201</td>
         <td>Hook dependency args should be a literal list, tuple or None</td>
     </tr>
     <tr>
-        <td>REACTPY202</td>
+        <td>RPY202</td>
         <td>
             Hook dependency is not specified
         </td>