fixed get_server_values to make them utf-8 friendly

production/doctype/bill_of_materials/bill_of_materials.py

@@ -36,7 +36,7 @@ class DocType:
     ret={
       'description'   : item and item[0]['description'] or ''
     }
-    return cstr(ret)
+    return ret
 
   def get_workstation_details(self,workstation):
     ws = sql("select hour_rate, capacity from `tabWorkstation` where name = %s",workstation , as_dict = 1)
@@ -44,7 +44,7 @@ class DocType:
       'hour_rate'            : ws and flt(ws[0]['hour_rate']) or '',
       'workstation_capacity' : ws and flt(ws[0]['capacity']) or ''
     }
-    return cstr(ret)
+    return ret
 
   def get_bom_material_detail(self, arg):
     arg = eval(arg)
@@ -106,7 +106,7 @@ class DocType:
             'standard_rate'      : 0
             }
           ret_item.update(ret_bom_rates)
-    return cstr(ret_item)
+    return ret_item
   
   def set_as_default_bom(self):
     # set Is Default as 1

production/doctype/production_planning_tool/production_planning_tool.py

@@ -32,7 +32,7 @@ class DocType:
              'stock_uom'   : item and item[0]['stock_uom'],
              'bom_no'      : item and item[0]['default_bom']
       }
-      return cstr(ret)
+      return ret
     else:
       msgprint("Item %s does not exist in system." %(args['item_code']))
       raise Exception