Improved extension compatibility with Python 3.8

Author: squidfunk

material/extensions/emoji.py

@@ -18,6 +18,8 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
+from __future__ import annotations
+
 import codecs
 import functools
 import material

src/extensions/emoji.py

@@ -18,6 +18,8 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
+from __future__ import annotations
+
 import codecs
 import functools
 import material