1 files changed, 2 insertions, 1 deletions

diff --git a/libmat2/pdf.py b/libmat2/pdf.py
index 140b4f4..17cd61e 100644
--- a/libmat2/pdf.py
+++ b/libmat2/pdf.py
@@ -7,6 +7,7 @@ import re
 import logging
 import tempfile
 import io
+from typing import Dict, Union
 from distutils.version import LooseVersion
 
 import cairo
@@ -130,7 +131,7 @@ class PDFParser(abstract.AbstractParser):
             metadata[key] = value
         return metadata
 
-    def get_meta(self):
+    def get_meta(self) -> Dict[str, Union[str, dict]]:
         """ Return a dict with all the meta of the file
         """
         metadata = {}