1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/chunk.py b/Lib/chunk.py
index d94dd39..870c39f 100644
--- a/Lib/chunk.py
+++ b/Lib/chunk.py
@@ -64,7 +64,7 @@ class Chunk:
         try:
             self.chunksize = struct.unpack_from(strflag+'L', file.read(4))[0]
         except struct.error:
-            raise EOFError
+            raise EOFError from None
         if inclheader:
             self.chunksize = self.chunksize - 8 # subtract header
         self.size_read = 0