Drop support for Python 3.7

Author: jacebrowning

.verchew.ini

@@ -6,7 +6,7 @@ version = GNU Make
 [Python]
 
 cli = python
-version = 3.7 || 3.8 || 3.9 || 3.10
+version = 3.8 || 3.9 || 3.10
 
 [Poetry]
 

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release Notes
 
+## 2.0 (alpha)
+
+- Dropped support for Python 3.7.
+
 ## 1.4.3 (2022-08-19)
 
 - Fixed handling of unparseable YAML files in manager methods.
@@ -8,6 +12,7 @@
 
 - Fixed exception when `Union[int, float]` or `Union[str, ...]` is used.
 
+
 ## 1.4.1 (2022-07-28)
 
 - Fixed exception when `TypedDict` is used, but schema is not yet supported.

README.md

@@ -101,7 +101,7 @@ Objects can also be restored from the filesystem:
 
 ## Installation
 
-Because datafiles relies on dataclasses and type annotations, Python 3.7+ is required. Install this library directly into an activated virtual environment:
+Install this library directly into an activated virtual environment:
 
 ```
 $ pip install datafiles

datafiles/tests/test_converters.py

@@ -2,11 +2,10 @@
 
 from dataclasses import dataclass
 from enum import Enum
-from typing import ByteString, Dict, List, Mapping, Optional, Set, Union
+from typing import ByteString, Dict, List, Mapping, Optional, Set, TypedDict, Union
 
 import pytest
 from ruamel.yaml.scalarstring import LiteralScalarString
-from typing_extensions import TypedDict
 
 from datafiles import converters, settings