cast

py-pdf · May 19, 2022 · bd8619c · bd8619c
1 parent db7fe7e
commit bd8619c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/PyPDF2/_page.py b/PyPDF2/_page.py
@@ -91,7 +91,7 @@ def createRectangleAccessor(name: str, fallback: Iterable[str]) -> property:
 
 class Transformation:
     """
-
+    Specify a 2D transformation.
 
     The transformation between two coordinate systems is represented by a 3-by-3
     transformation matrix written as follows:
@@ -507,6 +507,7 @@ def mergeTransformedPage(
         """
         if isinstance(ctm, Transformation):
             ctm = ctm.ctm
+        ctm = cast(CompressedTransformationMatrix, ctm)
         self._mergePage(
             page2,
             lambda page2Content: PageObject._addTransformationMatrix(