&nbsp;&nbsp;&nbsp;&nbsp; 2: The
message to print with the assertion<br>
Returns:&nbsp;&nbsp;&nbsp;None<br>
</span>
<hr><b>assert_exists</b><br>
<br>
<span style="font-family: monospace;">Arguments: 1: Name of file that
must exist, if it is missing an assertion<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; will be
generated<br>
Returns:&nbsp;&nbsp;&nbsp;None<br>
</span>
<hr style="width: 100%; height: 2px;"><br>
GMSL has a number of environment variables (or command-line overrides)
that co