From 959cde78b7421ad22cd8d4e893fba5a9a792829c Mon Sep 17 00:00:00 2001
From: Adam Johnson <AdamJohnso@gmail.com>
Date: Tue, 6 Jun 2017 23:00:50 -0400
Subject: [PATCH] Fix #55

---
 korman/exporter/material.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/korman/exporter/material.py b/korman/exporter/material.py
index 6ddcdaf..98b830f 100644
--- a/korman/exporter/material.py
+++ b/korman/exporter/material.py
@@ -19,7 +19,7 @@ from pathlib import Path
 from PyHSPlasma import *
 import weakref
 
-from . import explosions
+from .explosions import *
 from .. import helpers
 from ..korlib import *
 from . import utils
@@ -546,6 +546,9 @@ class MaterialConverter:
 
             image = key.image
             oWidth, oHeight = image.size
+            if oWidth == 0 and oHeight == 0:
+                raise ExportError("Image '{}' could not be loaded.".format(image.name))
+
             eWidth = helpers.ensure_power_of_two(oWidth)
             eHeight = helpers.ensure_power_of_two(oHeight)
             if (eWidth != oWidth) or (eHeight != oHeight):