Merge pull request #13192 from seiriosPlus/cherry-pick-selected_rows_size_fix

Cherry-pick-SelectedRows-Size-Fix

Author: panyx0718

python/paddle/fluid/transpiler/distribute_transpiler.py

@@ -1060,7 +1060,8 @@ def _create_table_optimize_block(self, pserver_index, pserver_program,
             self.table_name]
 
         zero_dim = int(
-            math.ceil(origin_param_var.shape[0] / len(self.pserver_endpoints)))
+            math.ceil(origin_param_var.shape[0] / float(
+                len(self.pserver_endpoints))))
         table_shape = list(origin_param_var.shape)
         table_shape[0] = zero_dim