chore: regens API reference docs (#889)

diff --git a/docs/epy/googleapiclient.http-module.html b/docs/epy/googleapiclient.http-module.html
index f74aea3..c8f8115 100644
--- a/docs/epy/googleapiclient.http-module.html
+++ b/docs/epy/googleapiclient.http-module.html
@@ -382,7 +382,14 @@
     <td width="15%" align="right" valign="top" class="summary">
       <span class="summary-type">&nbsp;</span>
     </td><td class="summary">
-        <a name="_LEGACY_BATCH_URI"></a><span class="summary-name">_LEGACY_BATCH_URI</span> = <code title="'https://www.googleapis.com/batch'">'https://www.googleapis.com/batch'</code>
+        <a name="_LEGACY_BATCH_URI"></a><span class="summary-name">_LEGACY_BATCH_URI</span> = <code title="&quot;https://www.googleapis.com/batch&quot;">&quot;https://www.googleapis.com/batch&quot;</code>
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="ConnectionError"></a><span class="summary-name">ConnectionError</span> = <code title="None">None</code>
     </td>
   </tr>
 </table>
@@ -612,7 +619,7 @@
 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
   <tr>
     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Fri Jun 14 15:57:27 2019
+    Generated by Epydoc 3.0.1 on Thu Apr 30 17:06:05 2020
     </td>
     <td align="right" class="footer">
       <a target="mainFrame" href="http://epydoc.sourceforge.net"