fix travis errors

Author: PeterPetrik

python/core/auto_generated/qgstessellator.sip.in

@@ -46,7 +46,7 @@ Vertice coordinates are stored as (x, z, -y)
 
     int dataVerticesCount() const;
 %Docstring
-Return number of vertices stored in the output data array
+Returns the number of vertices stored in the output data array
 %End
 
     int stride() const;

python/core/core_auto.sip

@@ -3,6 +3,7 @@
 %Include auto_generated/expression/qgsexpressionnode.sip
 %Include auto_generated/expression/qgsexpressionnodeimpl.sip
 %Include auto_generated/expression/qgsexpressionfunction.sip
+%Include auto_generated/qgstessellator.sip
 %Include auto_generated/qgis.sip
 %Include auto_generated/qgsaction.sip
 %Include auto_generated/qgsactionscope.sip
@@ -348,7 +349,6 @@
 %Include auto_generated/qgsrunprocess.sip
 %Include auto_generated/qgssnappingconfig.sip
 %Include auto_generated/qgstaskmanager.sip
-%Include auto_generated/qgstessellator.sip
 %Include auto_generated/qgstolerance.sip
 %Include auto_generated/qgstrackedvectorlayertools.sip
 %Include auto_generated/qgstransaction.sip

src/core/qgstessellator.h

@@ -53,7 +53,7 @@ class CORE_EXPORT QgsTessellator
      */
     QVector<float> data() const { return mData; }
 
-    //! Return number of vertices stored in the output data array
+    //! Returns the number of vertices stored in the output data array
     int dataVerticesCount() const;
 
     //! Returns size of one vertex entry in bytes