pdfa: replace read_binary() with files()

src/ocrmypdf/pdfa.py

@@ -14,9 +14,10 @@ from pathlib import Path
 from typing import Dict, Iterator, Union
 
 try:
-    from importlib_resources import read_binary
+    from importlib_resources import files as package_files
 except ImportError:
-    from importlib.resources import read_binary
+    from importlib.resources import files as package_files
+
 import pikepdf
 import pkg_resources  # deprecated
 
@@ -107,7 +108,7 @@ def generate_pdfa_ps(target_filename: Path, icc: str = 'sRGB'):
     if icc != 'sRGB':
         raise NotImplementedError("Only supporting sRGB")
 
-    bytes_icc_profile = read_binary('ocrmypdf.data', SRGB_ICC_PROFILE_NAME)
+    bytes_icc_profile = (package_files('ocrmypdf.data') / SRGB_ICC_PROFILE).read_bytes()
     ps = '\n'.join(_make_postscript(icc, bytes_icc_profile, 3))
 
     # We should have encoded everything to pure ASCII by this point, and