Changed code to be python < 3.6 compatible

CHANGES.rst

@@ -1,4 +1,4 @@
-0.14.0 (2021-09-30)
+0.14.1 (2021-10-01)
 -------------------
 - One can now use python -m docxtpl on command line
   to generate a docx from a template and a json file as a context

docxtpl/__init__.py

@@ -4,7 +4,7 @@ Created : 2015-03-12
 
 @author: Eric Lapouyade
 """
-__version__ = '0.14.0'
+__version__ = '0.14.1'
 
 # flake8: noqa
 from .inline_image import InlineImage

docxtpl/__main__.py

@@ -118,7 +118,7 @@ def render_docx(doc, json_data):
         raise RuntimeError('An error ocurred while trying to render the docx')
 
 
-def save_file(doc: DocxTemplate, parsed_args: dict) -> None:
+def save_file(doc, parsed_args):
     try:
         output_path = parsed_args[OUTPUT_ARG]
         doc.save(output_path)