HEC-DSSVue User's Manual Data Entry, Import and Export Current: Importing and Exporting SHEF Data Importing and Exporting SHEF Data Importing and exporting SHEF data is no longer supported in HEC-DSSVue.To import and export SHEF data to/from HEC-DSS files:Use the python3 packages packageinstallationhecdsspip install --upgrade hecdssshef-parserpip install --upgrade shef-parserSee the User Guide for Package shef-parserSensor and parameter files from previous versions of HEC-DSSVue can be used with the shef-parser package ×