Regenerate docs. (#696)

diff --git a/docs/epy/googleapiclient-module.html b/docs/epy/googleapiclient-module.html
index 21d2b0c..124a2eb 100644
--- a/docs/epy/googleapiclient-module.html
+++ b/docs/epy/googleapiclient-module.html
@@ -57,7 +57,7 @@
 <h1 class="epydoc">Package googleapiclient</h1><p class="nomargin-top"><span class="codelink"><a href="googleapiclient-pysrc.html">source&nbsp;code</a></span></p>
 <hr />
 <div class="fields">      <p><strong>Version:</strong>
-        1.6.2
+        1.7.4
       </p>
 </div><!-- ==================== SUBMODULES ==================== -->
 <a name="section-Submodules"></a>
@@ -79,6 +79,7 @@
   <tr><td class="summary">
   <ul class="nomargin">
     <li class="private"> <strong class="uidlink"><a href="googleapiclient._auth-module.html">googleapiclient._auth</a></strong>: <em class="summary">Helpers for authentication using oauth2client or google-auth.</em>    </li>
+    <li class="private"> <strong class="uidlink"><a href="googleapiclient._helpers-module.html">googleapiclient._helpers</a></strong>: <em class="summary">Helper functions for commonly used utilities.</em>    </li>
     <li> <strong class="uidlink"><a href="googleapiclient.channel-module.html">googleapiclient.channel</a></strong>: <em class="summary">Channel notifications support.</em>    </li>
     <li> <strong class="uidlink"><a href="googleapiclient.discovery-module.html">googleapiclient.discovery</a></strong>: <em class="summary">Client for discovery based APIs.</em>    </li>
     <li> <strong class="uidlink"><a href="googleapiclient.discovery_cache-module.html">googleapiclient.discovery_cache</a></strong>: <em class="summary">Caching utility for the discovery document.</em>
@@ -149,7 +150,7 @@
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     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Mon Jun  5 13:38:39 2017
+    Generated by Epydoc 3.0.1 on Fri Jun 14 13:09:01 2019
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