def env():
ssh = cij.env_to_dict(PREFIX, REQUIRED)<EOL>if "<STR_LIT>" in ssh:<EOL><INDENT>ssh["<STR_LIT>"] = cij.util.expand_path(ssh["<STR_LIT>"])<EOL><DEDENT>if cij.ENV.get("<STR_LIT>") is None:<EOL><INDENT>cij.ENV["<STR_LIT>"] = "<STR_LIT>"<EOL>cij.warn("<STR_LIT>" % (<EOL>cij.ENV.get("<STR_LIT>")<EOL>))<EOL><DEDENT>if cij.ENV.get("<STR_LIT>") is None:<EOL><INDENT>cij.ENV["<STR_LIT>"] = "<STR_LIT:1>"<EOL>cij.warn("<STR_LIT>" % (<EOL>cij.ENV.get("<STR_LIT>")<EOL>))<EOL><DEDENT>return <NUM_LIT:0><EOL>
Verify SSH variables and construct exported variables