ccitt nit -- avoid casting needlessly

0xabu · Sep 6, 2021 · 3fe2b69 · 3fe2b69
1 parent 15983d8
commit 3fe2b69
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/pdfminer/ccitt.py b/pdfminer/ccitt.py
@@ -562,10 +562,10 @@ def output_line(self, y: int, bits: Sequence[int]) -> None:
 
 def ccittfaxdecode(data: bytes, params: Dict[str, object]) -> bytes:
     K = params.get('K')
-    cols = cast(int, params.get('Columns'))
-    bytealign = cast(bool, params.get('EncodedByteAlign'))
-    reversed = cast(bool, params.get('BlackIs1'))
     if K == -1:
+        cols = cast(int, params.get('Columns'))
+        bytealign = cast(bool, params.get('EncodedByteAlign'))
+        reversed = cast(bool, params.get('BlackIs1'))
         parser = CCITTFaxDecoder(cols, bytealign=bytealign, reversed=reversed)
     else:
         raise ValueError(K)