def envGet(self, name, default=None, conv=None):
if name in self._env:<EOL><INDENT>if conv is not None:<EOL><INDENT>return conv(self._env.get(name))<EOL><DEDENT>else:<EOL><INDENT>return self._env.get(name)<EOL><DEDENT><DEDENT>else:<EOL><INDENT>return default<EOL><DEDENT>
Return value for environment variable or None.  

        @param name:    Name of environment variable.
        @param default: Default value if variable is undefined.
        @param conv:    Function for converting value to desired type.
        @return:        Value of environment variable.