chore(deps): remove pkg_resources in favor to importlib (#153)

* feat(convert): PowerPoint conversion 

You can now convert your presentations to PowerPoint

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* chore(convert): autoplay media

* chore(deps): remove pkg_resources in favor to importlib

This is what pkg_resources' team recommends

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* fix(deps): if case for Python 3.8 (<3.9)

* fix(convert): use correct pkg path

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix(deps): remove duplicate deps

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* fix(lib): add __init__.py

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

manim_slides/convert.py

@@ -1,21 +1,23 @@
 import os
 import platform
 import subprocess
+import sys
 import tempfile
 import webbrowser
 from enum import Enum
+from importlib import resources
 from pathlib import Path
 from typing import Any, Callable, Dict, Generator, List, Optional, Type, Union
 
 import click
 import cv2
-import pkg_resources
 import pptx
 from click import Context, Parameter
 from lxml import etree
 from pydantic import BaseModel, FilePath, PositiveInt, ValidationError
 from tqdm import tqdm
 
+from . import data
 from .commons import folder_path_option, verbosity_option
 from .config import PresentationConfig
 from .logger import logger
@@ -328,9 +330,11 @@ class RevealJS(Converter):
         if isinstance(self.template, str):
             with open(self.template, "r") as f:
                 return f.read()
-        return pkg_resources.resource_string(
-            __name__, "data/revealjs_template.html"
-        ).decode()
+
+        if sys.version_info < (3, 9):
+            return resources.read_text(data, "revealjs_template.html")
+
+        return resources.files(data).joinpath("revealjs_template.html").read_text()
 
     def open(self, file: Path) -> bool:
         return webbrowser.open(file.absolute().as_uri())