self.mode = "BGRA" wasn't correct and captured by #affa059

Tests/test_file_blp.py

@@ -22,7 +22,8 @@ def test_load_blp2_dxt1a():
 
 def test_load_blp1():
     with Image.open("Tests/images/blp/war3mapMap.blp") as im:
-        im.convert("RGB")
+        png = im.copy()
+        png.save(fp="Tests/images/blp/war3mapMap.png")
         assert_image_equal_tofile(im, "Tests/images/blp/war3mapMap.png")
 
 

src/PIL/BlpImagePlugin.py

@@ -245,7 +245,7 @@ class BlpImageFile(ImageFile.ImageFile):
 
         if self.magic == b"BLP1":
             decoder = "BLP1"
-            self.mode = "BGRA"
+            self.mode = "RGBA"
         elif self.magic == b"BLP2":
             decoder = "BLP2"
             self.mode = "RGBA" if self._blp_alpha_depth else "RGB"