Drop Python3.7 support (#167)

.github/workflows/ci.yml

@@ -31,9 +31,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - platform: ubuntu-latest
-            python-version: 3.7
-            py: py37
           - platform: ubuntu-latest
             python-version: 3.8
             py: py38
@@ -50,17 +47,17 @@ jobs:
             python-version: 3.12.0-beta.4
             py: py312
           - platform: macos-latest
-            python-version: 3.7
-            py: py37
+            python-version: 3.8
+            py: py38
           - platform: macos-latest
             python-version: "3.11"
             py: py311
           - platform: macos-latest
             python-version: 3.12.0-beta.4
             py: py312
           - platform: windows-latest
-            python-version: 3.7
-            py: py37
+            python-version: 3.8
+            py: py38
           - platform: windows-latest
             python-version: "3.11"
             py: py311

.pre-commit-config.yaml

@@ -30,7 +30,7 @@ repos:
     hooks:
       - id: pyupgrade
         args:
-          - --py37-plus
+          - --py38-plus
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.4.0
     hooks:

pyproject.toml

@@ -4,7 +4,7 @@ version = "4.0.4"
 description = "Mkdocs Markdown includer plugin."
 readme = "README.md"
 license = "Apache-2.0"
-requires-python = ">=3.7,<3.13"
+requires-python = ">=3.8,<3.13"
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Operating System :: OS Independent",
@@ -15,7 +15,6 @@ classifiers = [
   "Topic :: Text Processing",
   "Topic :: Text Processing :: Markup :: Markdown",
   "Environment :: Console",
-  "Programming Language :: Python :: 3.7",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
@@ -70,7 +69,7 @@ matrix-name-format = "{variable}-{value}"
 dependencies = ["pytest~=7.0", "coverage~=6.4", "covdefaults"]
 
 [[tool.hatch.envs.tests.matrix]]
-python = ["py37", "py38", "py39", "py310", "py311", "py312"]
+python = ["py38", "py39", "py310", "py311", "py312"]
 mkdocs = ["1.2.4", "1.3.1", "1.4.0", "1.4.2"]
 cache = ["yes", "no"]
 
@@ -188,7 +187,7 @@ sections = [
   "TESTS",
   "LOCALFOLDER"
 ]
-py_version = 37
+py_version = 38
 extra_standard_library = [
   "contextvars",
   "dataclasses",

src/mkdocs_include_markdown_plugin/event.py

@@ -32,12 +32,7 @@
 
 
 if TYPE_CHECKING:  # remove this for mypyc compiling
-    import sys
-
-    if sys.version_info >= (3, 8):
-        from typing import TypedDict
-    else:
-        from typing_extensions import TypedDict
+    from typing import TypedDict
 
     from mkdocs.structure.pages import Page