Import vector because it is used in line 95.

It seems that line 95 was added by a cherry pick commit.

Author: gacarrillor

python/plugins/processing/algs/qgis/Eliminate.py

@@ -37,7 +37,7 @@
 from processing.core.parameters import ParameterString
 from processing.core.parameters import ParameterSelection
 from processing.core.outputs import OutputVector
-from processing.tools import dataobjects
+from processing.tools import dataobjects, vector
 
 
 class Eliminate(GeoAlgorithm):