don't try to pass None into decompressSectors

2011-02-27 01:10:44 -10:00 · 2011-02-27 01:10:44 -10:00 · 2a7ae26db3
commit 2a7ae26db3
parent ede1a2ba4b
1 changed files with 3 additions and 1 deletions
--- a/mclevel.py
+++ b/mclevel.py
@ -2273,7 +2273,9 @@ class MCRegionFile(object):
        return data
        
    def readChunk(self, cx, cz):
-        return self.decompressSectors(self._readChunk(cx,cz))
+        data = self._readChunk(cx,cz)
+        if data is None: return data
+        return self.decompressSectors(data)
    
    def decompressSectors(self, data):
        length = struct.unpack_from(">I", data)[0]