Remove ExtensionMetadata import

Signed-off-by: Liran Funaro <liran.funaro@gmail.com>

Author: liran-funaro

.github/workflows/test.yaml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.12" ]
+        python-version: [ "3.14" ]
 
     steps:
       - uses: actions/checkout@v3
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.11", "3.12", "3.13" ]
+        python-version: [ "3.11", "3.12", "3.13", "3.14" ]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}

sphinx_markdown_builder/__init__.py

@@ -2,16 +2,13 @@
 A Sphinx extension to add markdown generation support.
 """
 
-from sphinx.util.typing import ExtensionMetadata
-
 from sphinx_markdown_builder.builder import MarkdownBuilder
 
-
 __version__ = "0.6.9"
 __docformat__ = "reStructuredText"
 
 
-def setup(app) -> ExtensionMetadata:
+def setup(app):
     app.add_builder(MarkdownBuilder)
     app.add_config_value("markdown_http_base", "", "html", str)
     app.add_config_value("markdown_uri_doc_suffix", ".md", "html", str)