From f8ad66c8bbb3c78548c2e4b3b930f82d4a57b345 Mon Sep 17 00:00:00 2001
From: Don Bright <hugh.m.bright@gmail.com>
Date: Wed, 8 May 2013 23:20:06 -0500
Subject: fix issue 352 - require 'file' to be a string


diff --git a/src/linearextrude.cc b/src/linearextrude.cc
index c64a235..4953781 100644
--- a/src/linearextrude.cc
+++ b/src/linearextrude.cc
@@ -72,7 +72,7 @@ AbstractNode *LinearExtrudeModule::instantiate(const Context *ctx, const ModuleI
 	Value twist = c.lookup_variable("twist", true);
 	Value slices = c.lookup_variable("slices", true);
 
-	if (!file.isUndefined()) {
+	if (!file.isUndefined() && file.type() == Value::STRING) {
 		PRINT("DEPRECATED: Support for reading files in linear_extrude will be removed in future releases. Use a child import() instead.");
 		node->filename = inst->getAbsolutePath(file.toString());
 	}
@@ -80,7 +80,7 @@ AbstractNode *LinearExtrudeModule::instantiate(const Context *ctx, const ModuleI
 	// if height not given, and first argument is a number,
 	// then assume it should be the height.
 	if (c.lookup_variable("height").isUndefined() &&
-			evalctx->numArgs() > 0 && 
+			evalctx->numArgs() > 0 &&
 			evalctx->getArgName(0) == "" &&
 			evalctx->getArgValue(0).type() == Value::NUMBER) {
 		height = evalctx->getArgValue(0);
-- 
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